Round cast iron manhole cover metal manhole cast iron steel custom products

Since its establishment, the company has been committed to providing high-quality plastic inspection wells, plastic pipes and supporting products for customers across the country. Its main products include 200-1000mm special plastic inspection wells for residential areas, 700-1500mm municipal special plastic inspection wells, plastic valve wells, rainwater collection and utilization systems, UPE-T double wall reinforced winding pipes, HDPE reinforced hollow wall winding pipes, steel belt reinforced PE spiral corrugated pipes, PVC-C power pipes, PVC communication pipes, MPP power pipes HDPE plastic steel winding pipe, FRPE winding pipe, polyethylene structural wall drain pipe, HDPE double wall corrugated pipe, DN20-630 polyethylene pipe for water supply, DN50-800 continuous basalt reinforced thermoplastic composite pipe and other series of products. The company is among the best in the industry with its unique product design structure and domestic advanced production technology. It has passed the IS09001 international quality system certification and ISO14001 international environmental protection system certification, and has been successively rated as "National High tech Enterprise", "China's Famous Product", "Key Recommended Product in China's Construction Industry", "China's Energy Conservation and Environmental Protection Product", "China's Green and Environmental Protection Famous Product" "Director Unit of Comprehensive Pipe Gallery Construction and Underground Space Utilization Professional Committee of China Municipal Engineering Association" and other honorary titles, and has a number of invention patents, utility model patents, appearance design patents and other intellectual property rights.