Manhole Cover: The products are the high-strength W-SMC manhole cover and water grates researched and developed by the company in 2009.The products are produced through forming a high-density whole by high-temperature moulding with high-strength W-SMC sheet moulding plastics(under the patent application number of 200910095562.5) being the base material.The products are shaped like iron plates with a hard texture,and have made up for the defect of BMC reinforced products for inconformity with testing load. The load of the products have met the requirements of GB/T23858-2009 standard through verification by the state authentic departments with its maximum load reaching 900KN.At present,the products have been widely used in inspection wells of power,telecommunication,mobile communication,fuel gas pipes and chemical bases etc., and real estates,urban arteries,high-grade highways,expressways,freight transport piers and airports etc.. JINMENG compound manhole cover Features: 1.Against theft The compound manhole covers have no value of recycling, thus completely solving the problems caused by theft. 2.Longevity Desirable shock-resistance;anti-bending strength;high abrasion resistance,;high erosion resistance;desirable breakage security;anti-aging properties. 3.Artistic appearance Rich colours; smooth appearance; the colour of covers can keep lasted. 4. Moderate price and light weight Compared with cast iron ones, the weight of compound manhole cover is lighter so that it is convenient to install,transport.The price of compound manhole cover is lower than the same specification cast iron ones. 5.The load and dimension can be desigened according to the requirements of customer.