En-Door Polymer Industry Co.,Ltd is specialized in researching, developing and manufacturing of CPVC resin, CPVC compound and CPVC pipes& fittings. Backed by dedicated R&D capabilities and the technical expertise of CPVC field, we can provide one-stop service to customers, including CPVC compound, CPVC pipes and fittings, machineries and moulds and production technology for CPVC piping systems. We also seek for CPVC project cooperation around the world. En-Door is also a pioneer in the polymer additive industry, such as methyl tin stabilizers, one-pack lead stabilizers, Ca/Zn compound stabilizers, CPE, MBS, Acrylic impact modifier, Acrylic processing aids, external and internal lubricants, etc. Quality and innovation have always been at the core of our business. We still focus on a vision of growth through technological innovation, distinguishing ours