Trench cover is a steel grating, which is made of steel grating from. Flat steel, rail specifications: 1, steel: the material is Q235A or stainless steel, ordinary flat 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, the bar: Material for Q235A or 304 stainless steel round bar, twisted steel, square steel or six angles. Twisted square steel plate garden by the side of the mold by drawing from the grill and twisted trench cover, its common specifications are 5 * 5,6 * 6,8 * 8mm and so on. Hebei professional production of various types of aircraft gold steel grating, trench cover, where the production and supply of road treads trench grill cover, welcome to consult and order. Steel grating trench cover hot-dip galvanizing treatment will often do so to extend the service life of steel grating trench cover, strong corrosion resistance, making it up to 6.70 years. Hot-dip galvanized steel grating trench cover acid, alkali capacity is very good, hot dip galvanized steel grating trench cover also can resist many organic solvents and salts and other corrosive gas, galvanized steel grating trench cover board can resist corrosive liquid medium corrosion trench cover grille box stamped with the way the way, galvanized steel grating has incomparable superiority in the field of preservation. Galvanized steel grating Unlike traditional metal grille, galvanized steel grating trench cover under the action of chemical mediators See generally does not occur under electrochemical corrosion of galvanized steel grating trench cover not born rusty iron gate trench cover grid specifications, galvanized steel grating trench cover makes the structure of the material is not damaged, galvanized steel grating trench cover does not require regular maintenance, galvanized steel grating trench cover board does not require occasional checks and maintenance. Hebei Airlines Co., Ltd. specializes in the last gold mesh steel grating, trench cover, tap plates and other steel grating products, please contact us. Grating trench cover box stamped with the way the way, trench cover grille, steel grating trench cover provided by the manufacturer Hebei Airlines Golden Screen Products Limited. 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!