GRP Pipe manufacturer / supplier in China, offering Engineered ISO 23856/25780 GRP/FRP Piping Systems (DN300 to DN3000) : ISO 23856-Compliant for Lining Repair, Engineered ISO 23856/25780 GRP/FRP Piping Systems (DN300 to DN3000) : ISO 23856-Compliant for Municipal Water Supply and Drainage, Wide-Range Awwac950 GRP Piping Systems (DN300 to DN3000) : ISO 23856-Compliant for Rain Water Line and so on.