Steel grating trench cover raw materials used are mostly low-carbon steel, the main raw material is calculated by the gutter cover flat, twisted steel, stainless steel and other steel trench cover price, so the price of the steel market fluctuations will directly affect the production costs. Steel grating trench cover is made from mild steel welding, chemical plants need to be treated supply hot-dip zinc corrosion trench cover, so that the corrosion resistance of trench cover strengthen and prolong the life of the trench cover, general steel grating production is hot galvanized, cold galvanizing surface treatment is completed. Air magic grid mill specializing in the production of steel grating trench cover, welcome to buy. Trench cover is what we usually say that the trench cover, galvanized trench cover, drain cover, cover drains, sewer trench cover, Hebei Airlines Gold is a professional manufacturer of steel grating trench cover, for the ditch cover any questions you can call us, we are happy to serve you. Usually people use trench cover drains in the cafeteria, the park drains and sewage treatment plants as well as road-side ditch trench drains above specifications are 303/30/100 trench cover, 403/30 / 100,503 / 30 / 100,505 / 30/50 and other models, galvanized trench cover is generally less than 1 meter span, we can produce according to customer requirements. High load high load stainless steel trench cover, trench cover, trench cover provided by the manufacturer Hebei Airlines Co. gold mesh. Gold mesh Hebei Airlines Co. (www.hbhangjin.com) strong, credible, Hebei Hengshui wire mesh industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Air gold mesh and you hand into the brilliant, for a better future!