Category: Manufacturing

Nonwoven fabric wholesale right now: Since SMS material provides excellent liquid and dust protection, it’s a popular choice for protective apparel worn inside the cleanroom. Additional features that make this the ideal cleanroom material are its superior particle retention, durability and water vapor transmission. Even though the material is one of the most protective options, it is breathable allowing users to stay cool. As you can see, SMS material is an excellent choice for when you need superior protection and durability. Whether it’s protecting yourself from contaminants or chemicals or protecting a cleanroom from the contaminants we bring in – SMS is an advanced material that will not disappoint. Read more details on non woven manufacturer.

Foshan Rayson Non Woven Co., Ltd., established in 2007, is an environmentally-friendly manufacturing company focusing on the production of non-woven and non-woven products. The company has passed ISO9001 quality management system certification and EU OEKO-TEX certification. Recently, Foshan Rayson Non Woven Co., Ltd has taken the initiative to assume social responsibility and contribute to the fight against the epidemic. During the epidemic period, Foshan Rayson Non Woven Co., Ltd actively responded to the call of the government, made strict preparations for the resumption of production, adjusted the working procedures in time and designated two fully automatic production lines as the special production lines for non-woven fabrics for masks and protective clothing. The machines kept running 24 hours. And workers worked overtime with arranging production shifts. The daily capacity of qualified masks and protective clothing non-woven fabrics can reach 26 tons. The company ensured sufficient material supply for masks and protective clothing which help to meet the supply of raw materials for epidemic prevention and control at the first time and ensure the needs of engineering construction and material production.

There are many reasons why nonwovens are ideally suited for agricultural uses. They can, for example, help improve productivity and efficiency in managing greenhouses, increasing crop yield, estimating labor needs, and, possibly, reducing the need for pesticides. What is great about nonwovens is that they are generally not one-size-fits-all, pre-made, come-in-uniform-bundles products—instead, they are state-of-the-art, custom-fit, and specifically tailored to tackle one job or need type of product. Most people have to go shopping to see what products fit their needs; when it comes to nonwovens, though, it’s the other way around.

SMS nonwoven fabric with specially treated repellent grade for use in medical and surgical industry. It provides excellent blood / alcohol / water repellency for protection during surgical procedures. Meltblown nonwoven fabric is made from a special technique for manufacturing nonwoven fabric with very fine fibers. This melt blown filter fabric is the key part of respirators that can provide the majority of the protection. It can be widely used in disposable respirators, surgical masks, face masks, re-used dust respirators, and surgical respirators. As the virus spreads around the world, those face masks are in short supply.

Hydrophilic nonwoven fabric produced by Rayson is very popular in the market. Rayson has professional production workshops and great production technology. Hydrophilic nonwoven fabric we produce, in line with the national quality inspection standards, has reasonable structure, stable performance, good safety, and high reliability. It is also available in a wide range of types and specifications. Customers’ diverse needs can be fully fulfilled. Rayson has a group of professionals with rich experience in the R&D, processing, and production of textiles. We can provide customers with personalized ODM/OEM services according to customers’ needs. Rayson has established a complete service network to provide professional, standardized, and diversified services. The quality pre-sales and after-sales services can meet well the needs of customers.

Foshan Rayson Non-woven Co., Ltd. is a Sino-US joint venture, established in 2007, located in the town of Foshan Shishan High-tech Zone, less than 30 minutes from the Guangzhou Baiyun International Airport, adjacent to Volkswagen, Honda, CMO and other enterprises, with a complex covering an area of roughly 80,000 square meters and employing over 400 people. The company specializes in the production of spunbond non-woven fabrics and non-woven fabric products, with more than 90 percent of its products sold in more than 30 countries.

Not all nonwovens end in disposable applications. A large part of the production is for durable end-uses, like in interlinings, roofing, geotextile, automotive or floor covering applications, etc. However, many nonwovens especially light-weight ones are indeed used as disposable products or incorporated into disposable items. In our view, this is the ultimate sign of efficiency. Disposability is only possible for cost-efficient products that concentrate on the essential required characteristics and performances and provide them without unnecessary frills. In the 19th century, (when England was the leading textile-producing country), realizing that large amounts of fibre were wasted as trim, a textile engineer named Garnett developed a special carding device to shred this waste material back to fibrous form. This fibre was used as a filling material for pillows.

The dry-laid web formation technique, such as fiber preparation, blending, carding, and garnering are innovations of the textile industry. These processes prepare staple fibers, blend them, and layer the fiber batt in a dry state. In dry-laid web formation, the fibers are collected into a web form by parallel lapping, cross-lapping, or aerodynamic (air-laid) lap forming and then bonded by means of mechanical needles, hydro-entanglement, chemical adhesives, and thermal bonding methods.

In the United States non-woven fabrics are used for the mulching of cantaloupes, sweet peppers, tomatoes, root vegetables, carrots, radishes, cabbage, lettuce, and other vegetables. It is mainly used for heat preservation, promoting early harvesting, and insect control. Because non-woven materials can help to increase soil temperature and have good water retention, they are used for surface covers such as grass-proof mats. Short fiber is also used to produce water absorbent blankets which are applied to nursery beds, so that the roots can fully absorb water. They can also be used as the bottom medium for turf production, or directly used as garden grassland for moisturizing, draining, and dividing the garden. They are also used as planting bags for large woody plants such as garden trees and fruit trees, preventing weeds and retaining moisture.

Rayson nonwoven fabric manufacturer offers a wide range of quality nonwoven fabric, including PP spunbond nonwoven fabric, SS nonwoven fabric, SMS nonwoven fabric, meltblown nonwoven fabric, needlepuch nonwoven fabric and spunlace nonwoven fabric. Rayson offers buyers a host of advantages as their nonwoven fabric supplier. As a premium non woven fabric manufacturer, Rayson nonwoven offers all the buyers of nonwovens for high quality nonwoven fabric products and fast delivery. And Rayson is positioned to serve buyer of all sizes, making custom nonwoven fabric, affordable pricing and excellent service available to large producers and inch manufacturers alike. The product can pass the European Union OEKO-TEX certification,IKEA testing and SGS testing. According to customers’ requirement, it can also be with special treatment such as hydrophilic, anti-static, anti-UV,anti-bacterial, fire resistant, etc.

Agricultural fabrics nowadays are used for lots of purposes. Agriculture fabric can be used for forestry, agriculture, landscaping, and more. One of the major uses of agricultural fabrics is to cover and protect crops or plants from harsh weather, strong winds, pests infestations, and weeds. Agricultural fabrics are versatile and can be manufactured in many sizes, as requested by the customers. See extra details on https://www.raysonchina.com/.

Solid surface sheets provider today? This repairability can also be seen as sustainability because a cracked desktop doesn’t need to be thrown out and replaced. It can merely be repaired saving you some cash and the environment some trash. Solid surface is made from natural minerals and acrylic resin and can be crafted into many unique designs through a process called thermoforming. The material can be used to make acrylic solid surface worktops that sit atop a base made from wood, metal, or another material. Discover extra info on solid surface sheet suppliers.

Thermoformable (Heat and Bend into Curves and Shapes): In recent years, the solid surface industry has begun to leverage solid surface’s ability to become pliable when heated to around 300-350 degrees. Once it is in this state, it resembles a thick wet lasagna noodle. When you drape the “noodle” over an object, solid surface will conform to the shape and retain that shape when it cools. Printable (Transfer Images and Text into the Surface): The process called dye sublimation allows for the transfer of images and text to be embedded into the surface of solid surface. The technique involves heating the solid surface and then transferring the ink to the surface under a vacuum condition. The images and text are then permanently affixed in the pores of the solid surface. It can then be thermoformed, fabricated, and cleaned or sanded lightly.

KKR, as one of the most experienced solid surface manufacturers in China, provides all kinds of solid surface bathroom countertop for customers. We utilize all kinds of advanced technology to make the product be of superior performance. Being processed by the skilled surface polishing technology, the product has a smoother and softer surface. There is no porous or splicing trace on the product, allowing the product to be easy to clean and maintain. With our exclusively developed anti-yellowing technology, the product is manufactured with the performance of keeping high color fastness to perspiration on the surface. Thanks to our independent R&D ability, the product is popular for its fashionable and high-end design. Additionally, our advanced machinery like CNC machine, infrared cutting machine, casting machine, hole-cutting machine, and trimming machine ensures the accurate dimension of each product. We ensure the thickness tolerance of one slab is strictly controlled within 0.5mm. The product has passed CE, CUPC, and SGS certificates and has the advantages of stain resistance, high temperature resistance, and anti-fungal performance. KKP provides over 300 colors of the solid surface bathroom countertop for customers and can also customize the color as requested. We can also supply the products with different thickness ranging from 6mm to 30mm.

Good feedback of “New Design, High Quality, Professional Service” from professional purchasers coming from 107 countries. We can make mold for bath wares, and we have engraving machine to directly carve mold for special-shaped products. Our solid surface sheet surface is smoother, and the thick tolerance is within 0.5mm, with no pores, no polishing mark and no crack. Kingkonree is a general manufacturer in China, which is a world’s leading company in solid surface/stone resin baths and kitchen. Enter KKR website, you’ll immediately be attracted by the market hot sale design. The company’s innovative and high quality products on offer are 100% made for the high quality standard export destinations. They, with smooth look and feel, are high cost-performance ratio, dirty resistant, highly pure, radiation-free, crack-free, and not fast-yellowing.

KKR has over 80 styles of solid surface bathtubs in modern design. The product is made of high-quality raw materials with a 10-year warranty. The product adopts high-quality acrylic solid surface which is a kind of renewable and recoverable material. If damage does occur to the product, the acrylic solid surface can be easily repaired. Once being scratched or damaged, the product can be joined seamlessly. In addition, the other adopted material is gel-coat stone resin, which makes the product be resistant to deterioration and minor damages. With a solid surface, the product features easy maintenance, easy cleaning, and easy polishing. It is also characterized by its anti-yellowness and can keep a glossy and attractive appearance for a long time.

Being one of the solid surface tub brands in China, KKR has over 80 styles of solid surface bathtubs in modern design. The solid surface bathtub is made of high-quality raw materials with a 10-year warranty. The freestanding solid surface tubs adopt high-quality acrylic solid surface which is a kind of renewable and recoverable material. If damage does occur to the product, the acrylic solid surface can be easily repaired. Once being scratched or damaged, the product can be joined seamlessly.

KingKonree is a solid surface manufacturer in Guangdong, China. We have been focused on the solid surface sheet, sanitary ware, kitchen worktops and related fabrications since 2000. We have our own in-house full line advanced machines, such as homothermal machine, automatic pouring machine, and CNC cutting machine. Our experienced masters are strict with every production process: e.g. material preparation, vacuumization, thickness control and polishing. Our QC will spot check and fully inspect every batch of product we made. In this way, our customer can get the best quality products, and we can be far away from customer complaint. You will receive the anti-fungal bathtub, the easy-to-clean kitchen sink, and the anti-yellowing worktops. KKR always aims at customer’s satisfaction. We treasure the business reputation in the past 21 years and also will fight for it in the future. See more information on kingkonree.com. KKR, with premier quality, creates wonderful bathroom time, and enriches your life with inspiration.

Skilled and experienced workers are proficient in the operation of precise tools and equipment to ensure the product made perfectly. The selected packaging materials reach the Europe E0 standard. Provide professional package, loading, and unloading. The overall process covers QC before producing, on-line producing, after producing and loading. Full inspection is available.

Vehicle ignition coil supplier today? What is the reason? Here are some of them: The spark plug gap is too large, adjust the gap or replace the spark plug; The gasoline quality is not good, try changing to a higher-grade gasoline; The cylinder compression ratio is wrong, adjust the compression ratio; If there is a program failure on the computer board, you can go to the repair shop to test the car with a computer and clear the error message. If it doesn’t work, there may be a problem with your car’s transmission. Find more information on ignition coil suppliers. The quality of Haiyan car ignition coil/ automotive ignition coil is guaranteed.

For ignition coils (and many types of electrical transformer), the secondary winding is made with more windings than the primary winding. When the magnetic field collapses, it will therefore induce a higher voltage into the secondary winding than into the primary winding. Here, the secondary winding has more coils than the primary winding. When the magnetic field collapses, the voltage in the secondary coil will be greater than the voltage induced in the primary winding.

The first coil-based ignition system is credited to the American inventor Charles Kettering, who developed a coil ignition system for a major vehicle manufacturer around 1910/1911. For the first time, he devised an electrical system that powered the starter motor and ignition at the same time. The battery, a generator and a more complete vehicle electrical system provided a relatively stable electrical supply to the ignition coil. The Kettering system used a single ignition coil to produce a high voltage, which was passed to a rotor arm that effectively pointed the voltage to a series of electrical contacts located in the distributor assembly (one contact for each cylinder). These contacts were then connected by spark plug wires to the spark plugs in a sequence that made it possible to distribute the high voltage to the spark plugs in the correct cylinder firing order.

Haiyan wholesale tool chest and tool trolley manufacturer has been focusing on the business of tool trolleys since its inception. wholesale tool chest manufactured by Haiyan includes multiple types. And the products shown below belong to this type. Haiyan tool cabinet manufacturer provides diversified choices for customers. Tool trolley is available in a wide range of types and styles, in good quality and in a reasonable price. Hardware accessories or Auto parts is a kind of product that is composed of every unit of the whole automobile and serves the automobile. There are many kinds of auto parts. With the improvement of people’s living standards, people’s consumption of auto parts is increasing, and the market of auto parts is becoming larger and larger. In recent years, auto parts manufacturers and hardware accessories manufacturer are also developing rapidly. Find extra details on https://www.hj-auto.com/.

Haiyan aijian Co.Ltd. is a car ignition coil manufacturer, which are seated on No.338 Yanjia Road, Wanghai Haiyan Jiaxing, Zhejiang, locating western Hangzhou bay cross-sea bridge,3.5 KM far from the Zhajiasu high way exit,1.0 km distance from Huangpu high way exit, convenient transportation, is the centre of economic of shanghai-Ningbo-Hangzhou triangle. The main products of Haiyan wholesale automotive ignition coil manufacturers contain car ignition coil pack, plug coil, spark coil, tool cabinet, hardware accessories, and precision matching pieces of Japanese host, every year manufacturing ignition coils 1,000,000 PCS, cars pare parts 2,000,000 sets,3,000,000 sets of Japanese hosts accessories. Widely export to South and North America, Europe, South Africa, and Asia.

Non woven agricultural fabric factory today: Nonwoven fabrics can provide good air and water permeability, in addition to helping manage heat. These materials are light, easy to transport and can be custom-made to fit just right and provide just the right types of services. One creative use of nonwovens is to use them as a means to control water retention and collection for growing crops, especially in the seedling, early-growth stages. This application would require using sheets of hydrophobic nonwoven subjected somewhat to hydrophilic treatments that included the application of a surfactant to a section of the hydrophobic nonwoven fabric. One of the goals of this idea is to see to it that the hydrophilic treatment then creates channels which allow water to progress without too much inhibition from the nonwoven’s obverse surface to its underside. In theory, water retention is kept to a manageable level, thus preventing any damage to the crop from the weight thereof. See even more information on pp agricultural nonwoven fabric.

Foshan Rayson Non Woven Co., Ltd., established in 2007, is an environmentally-friendly manufacturing company focusing on the production of non-woven and non-woven products. The company has passed ISO9001 quality management system certification and EU OEKO-TEX certification. The main products of Foshan Rayson Non Woven Co., Ltd are PP spun-bond non-woven fabrics, which are used as the main materials of surgical face masks, protective clothing, medical beauty sheets, daily necessities, and industrial supplies.

SMS nonwoven fabric with specially treated repellent grade for use in medical and surgical industry. It provides excellent blood / alcohol / water repellency for protection during surgical procedures. Meltblown nonwoven fabric is made from a special technique for manufacturing nonwoven fabric with very fine fibers. This melt blown filter fabric is the key part of respirators that can provide the majority of the protection. It can be widely used in disposable respirators, surgical masks, face masks, re-used dust respirators, and surgical respirators. As the virus spreads around the world, those face masks are in short supply.

Medical nonwoven fabric, a non woven fabric that is medical grade and used for medical purposes. Nowadays, Covid-19 is continuing to spread around the world, the demand for nonwoven medical products is increasing. There are many applications of non woven medical textiles, such as medical bedsheets, medical face masks, protective clothing, surgical covers, surgical clothing, and so on. Rayson provides high-quality medical and surgical nonwoven fabric, welcome to inquire.

In addition, Foshan Rayson Non-woven Co., Ltd. is a quick responder to market demand. Noticing a demand in the European market, the company developed a non-woven fabric tablecloth that quickly became popular within that market. Aided by the use of its automatic cutting and folding machines, the company is capable of producing non-woven fabrics that best suit a customer’s sizing needs. Recently, the company’s new release of internationally SGS certified non-woven fabrics became widely used in the agricultural market. Through the production of environmentally safe fabrics in a variety of colors and sizes, Foshan Rayson Non-woven Co., Ltd. has gained the trust of its customers.

The Garnett Machine, though greatly modified, today still retains its name and is a major component in the non-woven industry. Later on, manufacturers in Northern England began binding these fibers mechanically (using needles) and chemically (using glue) into batts. These were the precursors of today’s non-wovens. This art remained the same into the middle of the 20th century and patents as late as the 1930s depict such batts specially made to insulate railroad boxcars in the U.S.Now in the 21st century, though some fillings and paddings are still made as they were in England almost 2 centuries ago, non-wovens have progressed beyond Garnett’s dreams.

The dry-laid web formation technique, such as fiber preparation, blending, carding, and garnering are innovations of the textile industry. These processes prepare staple fibers, blend them, and layer the fiber batt in a dry state. In dry-laid web formation, the fibers are collected into a web form by parallel lapping, cross-lapping, or aerodynamic (air-laid) lap forming and then bonded by means of mechanical needles, hydro-entanglement, chemical adhesives, and thermal bonding methods.

In recent years, due to the improvement of material science and the development of production technology, non-woven fabrics have become more diverse and used more and more widely. Different materials and products produced can be seen everywhere in our life. The expansion of the use of non-woven fabrics in agriculture is mainly due to their lightness, easy production, low cost, diversity, and wide range of applications.

Rayson nonwoven fabric manufacturer offers a wide range of quality nonwoven fabric, including PP spunbond nonwoven fabric, SS nonwoven fabric, SMS nonwoven fabric, meltblown nonwoven fabric, needlepuch nonwoven fabric and spunlace nonwoven fabric. Rayson offers buyers a host of advantages as their nonwoven fabric supplier. As a premium non woven fabric manufacturer, Rayson nonwoven offers all the buyers of nonwovens for high quality nonwoven fabric products and fast delivery. And Rayson is positioned to serve buyer of all sizes, making custom nonwoven fabric, affordable pricing and excellent service available to large producers and inch manufacturers alike. Adopting advanced SS nonwoven production line. The PP nonwoven fabric is soft and good uniformity that meets the quality requirements of medical products.

Agricultural fabrics nowadays are used for lots of purposes. Agriculture fabric can be used for forestry, agriculture, landscaping, and more. One of the major uses of agricultural fabrics is to cover and protect crops or plants from harsh weather, strong winds, pests infestations, and weeds. Agricultural fabrics are versatile and can be manufactured in many sizes, as requested by the customers. Discover even more details at raysonchina.com.

Excellent laptop Acer keyboard replacement supplier 2023? Suppose you need to replace the “Backspace” key. Although the clip is wider than the clips for the square shaped keys, the install process is the same regardless. Some larger keys might have a metal bar that gets threaded in first before the key cap attaches to the keyboard base. Other than that, no matter the if the key cap is large or small, any laptop key retainer clip can be replaced quickly and easily. Feel free to browse or search for your model on our Home Page to get started. See more info on acer laptop keyboard replacement.

The output tip needs to match. There are many types of tips. There is the traditional barrel tip which is a simple barrel shape connector with a hole in the middle. These are measured in the form of 5.5mm x 2.5mm which us the external and internal diameter of the tip. These need to match or else the connector will not fit or will be too loose. Some chargers have a small pin in the centre and some manufacturers (HP and Dell) that have what is known as a smart tip, where there is some electronics in the tip which is used to communicate with the laptop to ensure the correct charger is connected. Whilst these tips are physically the same size, you can not use a Dell charger on a HP laptop or vice versa.

When you own a laptop, you need a reliable power supply. Yes, your battery will get you through some rough patches. But when it’s time to plug in, it’s time to plug in. You may only have a few hours before you need to rely on your battery again. If your power supply is acting up, it’s imperative that you get a replacement as soon as possible. Now, modern power supplies come in a variety of flavors. A number of newer laptops simply charge with a USB Type-C cable. In that case, a PD-capable USB Type-C AC charger will be all you need.

Crowberry Laptop Repair is the fast and reliable source to replace your laptop parts. We sell replacement Laptop Repiar Parts for current different laptop brands. We are located in Bao’an Shenzhen, China. We can be reached any time at crowberry@laptoprepair.com. CrowBerry has millions of Keyboard Models and lots of Replacement laptop parts such as Adapter, Screen etc. in stock, ready to ship. If there is a part that you cannot find on our website, please contact us and we will add it to our inventory for you. CrowBerry ships parts to any part of the world with warmly Pre-sales and After-sales service.

There are no guarantees on quality. Many of the universal chargers we looked at on eBay and Amazon came with no mention at all on warranty either. By nature of a universal charger, many of its parts are removable (such as the pin section). These can be wobbly or poorly fitting and will degrade over time. Finally, many universal laptop chargers have a switch to manually select the required voltage. Plugging the charger into your laptop with the wrong voltage selected can cause irreversible damage to your laptop. In summary for universal laptop power adaptors, we can’t recommend them as there are too many factors that can risk causing damage to your laptop.

If you’re like me, you can’t be without your laptop. From daily work, to taking notes in meetings and even entertainment at home, your laptop goes everywhere with you. All of that productivity and entertainment a laptop offers needs power to keep it going, and a broken or lost laptop charger or power cord will quickly leave you scrambling for a replacement. You may even want to pick up an extra charger so to save you carrying extra cables. So what do you choose? In this article we run through the three main types of laptop power supplies and how you can pick a safe, reliable and affordable replacement. See extra details on laptoprepair.com.

Hmi panel manufacturer and supplier in China: This type touchscreen panel support 7inch, 9.7inch, 17inch, 22inch and 32inch, is enough to select suitable model for the project from application and cost. There are two operating temperature -10°C to 60°C and -20°C to 70°C. And all the size and model is to support ethernet, 2pcs rs485 or 2pcs rs232 is in optional. Adpoting industrial grade high quality components, high protection level design, comprehensive three-proof coating, no matter the wet underground mine, high temperature gobi or corrosive gas, oil mist or dust factory environment, can easily cope with, easy to handle. Find additional info at hmi panel manufacturers.

The regular China lcd human machine interface HMI touch screen is only to support 0°C to 50°C working envornment. HMI panel can not meet the application, the environment require the high or low temperature. It have to find the solution, such as to add one resistance or move the equipment in door or outdoor to make the temperature is suitabe its work needing. But face one question, it is not stable and very inconvenience. To solve this problem, to develop and design new type HMI touch panel, it is metal shell wide-temperature resistive HMI, supporting -20°C to 70°C. This type wide-temperature screen is very popular in Canada, Russia, United States…etc.

The Fourth Step: Communication Mode Preference is given to the HMI Panel itself with lower computer drive touch screen. Firstly, this is will be more convenient and simple in the definition of the subsequent project address and conversion, becuase if you choose Modbus compatible devices, it is necessary to convert the HMI touch screen monitoring address according to the rules of the definition of different lower computer(PLC) manufacturer, which not only greatly increase the workload of engineers and also easy to covert the wrong. Secondly, needing to draw up in advance, a communication program for the entire project. Do it need the ethernet to communicate with the upper computer, or need two rs485 to be maste or slave station communication, or through one rs485 and one rs232 communication to achieve.

Less performance used to match a very high cost, so will it worth? And where is your market point? Maybe more consider another China brand with a very perfect performance too, such as Mochuan brand. Welcome contact us to discuss more. The Second Step: Selecting The HMI Screen Size There are two means of size here. One is screen display screen size, the other is CPU size. Integrating the scale of the entire project, to determine the size of the HMI panel needs, through the project as a whole to present the effect. Do not select the size is too small or too large, becuase too small is look very compact and not enough to operate in well, too large will look the overall proportion of the untuned and waste. It requires engineers to design a good enginnering diagram in advance to allocate the size of each accessory part of the proportion. Wanna win every high value market, it needs to pre-design and seriously selected, but not take for granted. Discover even more info on https://www.mochuan-drives.com/.

Specific methods : First, the parameters of the touch screen. Check the parameter settings of the touch screen. Connect the PLC programming software to the PLC test to see what the PLC parameters are and whether the parameters set in the project are the same as those tested. There are several parameters that require special attention: 1. Communication port settings – be sure to confirm that the COM1 port or COM2 port of the PLC connected to the touch screen is clear;2. Device type – this is the most important. If the protocol is not selected correctly, nothing else needs to be said. 3. connection method – the connection between the PLC and the HMI operator interface, confirming whether it is RS485 or RS232C. 4. The touch panel interface parameter is the same as the PLC station number – it must be the same as the setting in the PLC. Next, if the parameters are set to confirm, troubleshoot the wiring.