중국GRP 파이프 제조 / 공급 업체,제공 품질 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 등등.