Drain cover is also known as "drain cover", "manhole cover", "manhole", "gutter cover" Initially it was cement, cast iron sewage treatment plant trench cover, after the normal It is easy to use, damage, large replacement costs. While the new drain cover using pressure welded steel grating, so that the construction is simple to install, light weight, carrying good, strong impact resistance, excellent drainage, surface appearance after treatment using hot dip galvanized, rust corrosion, has incomparable advantages of cast iron trench cover. Drain cover model how to choose, Hang Kim tell you: 1, for use in road traffic sidewalk Taobao recommend trench cover, roadways, parking steel grating, dock or building ground trench cover, because Dealers different load and direction, the design and selection should be considered the actual situation. 2, for the ditch on the road and crossing the ditch cover (dealers carrying flat direction parallel to the direction), not only to consider the wheel pressure, impact, need to prevent the risk of bouncing shift trench cover, you must ditch Cover and angle, support beams fixed (you can use fixed or welded steel grating installation clips). Hebei Airlines Gold Wire Mesh Products Co., Ltd. production of many kinds of steel grating trench cover, according to customer requirements in different environments, different capacity, span, shape and color as well as construction costs, customers design, manufacturing steel grating, welcome to inquire order. Hebei Airlines gold trench cover material, low carbon steel, stainless steel with glass three. Steel: the material is Q235A 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. Rails: 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 and twisting from grid-style trench cover, the common specifications are 5 * 5,6 * 6,8 * 8mm and so on. FRP trench cover: Glass fiber reinforced composite plastic that steel, corrosion resistant, flame retardant, anti-aging, can be designed, non-slip, low cost. Air Products Co., Ltd. Hebei gold mesh can produce a variety of trench cover, according to customer requirements in different environments, different capacity, span, shape and color as well as construction costs, customers design, manufacturing trench cover. Galvanized trench cover trench cover _ _ Hang gold trench cover provided by 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!