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Shuangyi is a high quality Trench Cover Manufacturer China.Process: According to the use of different occasions, our company can provide different sizes of trench (well) cover plate, surface can be hot dip galvanized, cold galvanized (electroplated) or not treated, trench cover plate size selection instructions: 1, flat steel direction for bearing (support) direction, according to trench (well) wide clearance to determine the length of flat steel L; 2, according to trench (well) wide clearance; (well) long typesetting, take the standard plate width of 995mm to meet the processing modulus, the gap between the plates 5mm; 3, ditch (well) length remaining less than 1 m part by modulus size; 4, according to the ditch (well) width and load-bearing requirements to select the type of steel grille plate. 5. It is suggested that standard sizes should be selected for design and construction. Our company can design and manufacture various sizes or other functions according to user's requirem

Are you looking for high quality steel grating manufacturers ?Anping County Shuangyi Metal Mesh CO.,LTD located in Anping County Jingwu Road Industrial Park, is located in Beijing, Tianjin, Shijiazhuang, Ji'nan triangle economic center.It is a professional steel grating manufacturer.It is a large production enterprise integrating production, processing and sales. Mainly produces all kinds of steel grating, anti-skid steel grating, steel grille, hot-dip galvanized steel grating, trench cover, treadmill, composite steel grille, plug-in steel grille and other products. The advantage of our factory is to sell directly to the customers at the most appropriate price, save all the links in the middle and save money for you Our company will uphold the principle of good faith in keeping contracts and Valuing Credit. To provide customers with the best quality products, the most perfect service, mutual benefit and sincere cooperation, create a better future. If you need  galvanized bar

Shuangyi is a professional  Stainless Steel Grating manufacturer in China.We have rich production experience and first-class production equipment. Standards for international steel grating Manufacturing method of stainless steel grating Stainless steel grid plate production mode: High-voltage resistance welding machine is used for press welding. The manipulator automatically places the horizontal bar on the flat steel with uniform arrangement. The horizontal bar is pressed into the flat steel by powerful electric welding power and hydraulic pressure, so that the high-quality steel grille plate with strong solder joint, high stability and high strength can be obtained. The latest stainless steel grating standard 1, the method of composition, refers to the pressure welding grid or locking steel grid. 2. Flat steel bar standard refers to the section standard of carrying flat steel. 3, flat steel distance refers to the center distance of carrying flat steel. 4. The distance be

Surface Treatment of Anti Theft Trench Cover : 1. Hot-dip galvanizing: Hot-dip galvanizing is usually carried out after the edge-coating process is completed, when the load flat steel thickness is not less than 5 mm, the average weight of zinc coating after galvanizing is not less than 610 g/m2; when the load flat steel thickness is less than 5 mm, the average weight of zinc coating after galvanizing is not less than 460 g/m2, and the quality and requirements after galvanizing should conform to GB/T13912. Regulations. 2. Paint: spray, brush or impregnate according to the special requirements of users. Paint The protective coating is obtained by spraying, painting or impregnating. Service life of hot-dip galvanizing Zinc thickness 100um, product life expectancy in various environments. Acid-base corrosion resistance In the range of ph6 to ph12.5, a stable protective film is formed on the surface of the zinc layer, and the corrosion resistance is good. Our company has been ad

Shuangyi are  steel grating manufacturers in China.Permanent welding and clamping are the most common installation methods of steel grilles in the installation of buildings. It consists of upper clip, lower clip, M8 six corner nut, gasket and so on. For the frequently opened steel grilles, the steel grate plate clamp specially designed and manufactured can be used for fixing. In principle, there are no less than four sets of mounting clamps for each steel grate (about 1 square meters). It is recommended that permanent welding should be done without changing, which is safer and more durable than installation. There are two ways of fixing the antiskid steel grate with welding and mounting clamps. For permanent, no need to remove, welding can be used and welded to support. Specific position, in each corner of the plate on the first flat steel, weld length is not less than 20 mm, height is not less than 3 mm fillet welding. The installation clamp has the advantages of not destroying t

Stainless steel grating industry has been developing rapidly. Stainless steel grilles are widely used in refining oil plants, light chemical, mining and refining petrochemical, power plants, machinery industry, municipal engineering, textile and chemical fiber, offshore engineering, port engineering, shipbuilding, oil and chemical industry, building materials industry, agriculture and animal husbandry, military engineering, tree pool cover, gardens, Airport engineering, steel industry, self-service Waterworks, waste disposal, sewage disposal, food processing, pulp and paper industry, aquaculture, construction industry, fertilizer industry, transportation industry, pharmaceutical industry, etc. After a period of development, there are many kinds of steel grilles, and has a very wide range of applications in all walks of life, of which the largest use of stainless steel grilles, because of the permanent use of stainless steel grilles, making maintenance costs greatly reduced, has becom

The galvanized steel grating not only has the advantages of ventilation, lighting, heat dissipation, explosion-proof, anti-slip, easy installation, easy cleaning, etc., and its acid and alkali corrosion resistance is also very strong: in the range of PH 6 to PH 12.5, a stable protective film is formed on the surface of the zinc layer. Good corrosion resistance. According to the different uses of steel gratings, they can be divided into three series: Series 1 - crossbar spacing is 30mm; this is the most common type of steel grating, and it has the strongest resistance to surface impact throughout the steel grating series. It is widely used in power plants, refineries, sewage treatment plants, granaries, chemical plants, roads, airports and terminals, walkways and gutter covers, stair steps, etc. The toothed steel grating can be used in wet and slippery places, especially for offshore oil platforms. Series 2 - crossbar spacing is 40mm; these steel panels are the most economical and l

Shungyi is a professional  serrated flat bar manufacturer in China. Standard:ASTM,AISI,DIN,EN,JIS,GB Grade:A36,SS400,S235jr,St37-2,Q195,Q235 Width:25-75mm Length:6.1m or as your requirement Thickness:3mm,5mm Length:6.1m or as your requirement Technique:hot rolled Place of origin:China(Mainland) Products Advantages: 1. high quality 2. high dimensional accuracy 3. high utilization rate of material 4. saving cost price 5.Factory direct supply flat bars 6.Competitive price ,best quality 7.rich production experience Application: Widely used for construction, Ship building, Machinery manufacturing ;Steel structure Steel grating is made by bearing bar and cross bar according to the flat-steel weft arrangement, in high-pressure spacing on resistance welder welded by cutting, incision, opening, overlock process such as processing and into customer requirements finished products. We produce high quality  steel walkway grating ,if you need,contact us.