Steel grating trench cover raw materials used are mostly mild steel, the main raw material gutter cover the flat steel, twisted steel, stainless steel, galvanized gutter fountain square cover, so the price of steel market fluctuations directly affects the production costs. Steel grating trench cover is made from mild steel welding, need to go through the hot-dip zinc processing so that trench cover corrosion resistance to strengthen and extend the life of trench cover, the general production of steel grating is made Hot-dip galvanizing, cold galvanizing surface treatment is completed. Air magic grid mill specializing in the production of steel grating trench cover, welcome to buy. Where the production cell trench cover, drain cover, trench cover, grille trench cover, trench cover trench cover, trench cover grid iron, steel gutter cover? Hebei Airlines magic grid mill specializing in the production of high-quality residential trench cover, made of high quality materials and manufacture, skilled, high-quality products are exported all over the plug-in trench cover, and won praise. Drain cover Introduction: the use of steel grating trench cover made ditch (well) cover trench cover, with a variety of models to choose from to suit different load and span requirements. Trench cover materials and specifications: 1, steel: the material is Q235 or stainless steel, a common plane type, tooth type and section I slip type. Common specifications 20 * 5,25 * 5,25 * 3,32 * 5,32 * 5,40 * 5,40 * 3,50 * 5,65 * 5,75 * 6,100 * 8,100 * 10 and so on. 2, rail: Material is Q235A or 304 stainless steel round bar, twisted steel, square steel or six angles. Twisted square steel plate garden by the side by the die drawing and twisted from its common specifications are 5 * 5,6 * 6,8 * 8mm and so on. Hebei Airlines Golden specialized trench cover manufacturers, our products have a high positive feedback, we will provide you with high quality trench cover, please contact us. Plug-in trench cover, trench cover, steel grating trench cover manufacturers to provide the gold mesh Products Co., Ltd. Hebei Airlines. Gold mesh Hebei Airlines Co. (www.hbhangjin.com) strong, credible, Hengshui in Hebei 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 into the brilliant and you work for a better future!