COMPANY PROFILE：Tianjin Dingrunda Group Co.,Ltd is engaged in manufacturing, supplying and exporting an unparalleled range of HDPE PIPES, PVC pipes, PPR pipes, CPVC pipes, UPVC pipes, PVC-M pipes, HDPE double wall corrugated pipes, Steel belt reinforced HDPE corrugated pipes, Glass Reinforced Plastic pipes, PE coated steel pipes, MDPE & LDPE pipes, and the corresponding pipe fittings....