Other, China,
The products are the high-strength W-SMC manhole cover and water grates researched developed by company in ***** produced through forming a high-density whole high-temperature moulding with sheet plastics(under patent application number of ...
manhole cover, hand hole of electricity , telecommunication facilities, shaft and cases of water meters, water grates, lawn shafts and tree enclosures etc, heat-resistant clean barrel.
