In the choice of the drainage board should pay attention to what one, in the choice of drainage board drainage board must first understand the main Applications, generally if it is used for road traffic on the sidewalk, driveway or parking lot, building floors, etc. because of the different loads and dealers direction, therefore, should pay attention to two during the design and selection, the choice for the road ditch, the sewage ditch transverse steel trench cover when the cover, not only to consider the wheel pressure and the impact of the phenomenon, but also pay attention to the risk of bounce and groove decking shift appears, therefore, should be trench cover and angles, support beams and other fixed use. sewage plant using steel grating trench cover design for manufacturing, widely used on urban roads, squares, gardens, docks, airports, parking lots, roads sewage trench cover where the production of steel, railways, industrial engineering, and other industrial buildings. Sewerage drains Cover Features: so called because of the different purposes are different. Sewage trench cover material: stainless steel, mild steel (Q235A steel outdoor sewage trench cover, B), glass and steel. Surface treatment: hot dip galvanized, electro-galvanized, coated with qi, planed, or not treated surface. Sewage trench cover, widely used in urban roads, squares, gardens, docks sewage steel trench cover design specifications, airports, parking lots, roads, railways, industrial engineering, and other industrial buildings. How much sewage steel trench cover a square meter _ Asahi Connaught screen (certified) _ sewage steel trench cover provided by Asahi Connaught Anping Wire Mesh Products Co., Ltd. Asahi Connaught Anping Wire Mesh Products Co., Ltd. (www.wangpian1688.com) Hebei Hengshui, the wire mesh of the leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Snow in Asahi Metal Mesh leadership with the staff warmly welcome all inquiries negotiations to create Asahi promise a better future wire mesh.