Supplier of HDPE Weld Neck Flange. Established in 1999, we are ISO 9001:2015, Parthiv Polymers is a certified firm highly known for manufacturing and exporting a comprehensive range of PP, HDPE, PP-H, PVDF Valves and Fittings. Under this range, we offer PP Ball Valves, Plastic Ball Valve, PP Valve Flange Ends, PP Products, Butt Weld Pipe Fittings, PP & HDPE Flanges, PP Pipe Fittings and PP Foot Valves Flange End & Thread End.