Cast Iron 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.
Cast Iron Manhole Cover