With the continuous development of technology, covers common materials as municipal and construction has been rapid development, to tell you the following about the composite covers installation considerations: First, when you install the covers on the asphalt pavement, construction machinery must be taken to avoid direct Well rolling seat when the road the whole cast, and should be well on the road to reserve seat slightly larger than the hole in the asphalt Puwan placement. Second, cast concrete or asphalt base will be well after laying, should be promptly cleaned covers open avoid mortar or asphalt will pour inspection covers and seat into one, so as not to affect the future open. Composite trench cover Features: 1, hot-dip galvanizing: rust-proof, strong, maintenance and replacement. 2, saving investment: Span composite trench cover, when overloaded Yellowstone inorganic composite trench cover price, the lowest ratio of iron and saves the cost of replacing the stolen or crushed. 3, Best drainage: leakage area of ??83.3% Yellowstone composite trench cover wholesale, more than double cast iron. 4, specifications: meet different environment, load, span, size and desired shape. 5, high strength: strength and toughness is much higher than cast iron, can be used for docks, airports and other large span and heavy load conditions. Urban renewal and new wire, cable, fiber optic cable underground open to change, and therefore the demand for composite cable trench cover increases. Yellowstone composite trench cover price, Hua Yi Zhongtian (certified), composite trench cover provided by Wuhan New Material Technology Co., Ltd. overflow transit. Wuhan overflow transit New Material Technology Co. (www.whhyzt.cn) is Wuhan, cement and products of leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . In Hua Yi Zhongtian leadership with the staff warmly welcome all inquiries negotiations to create Hua Yi Zhongtian a better future.