... PVC pipe fittings: Gaskets according with EPDM.Shanxi Tianzhu Casting Co., Ltd. is a privately-owned enterprise ,approved and registered by ... Dayun Expressway, 50 kilometers far away from Taiyuan, covers an area of 62,000 square meters, with the registered- ... Europe, Middle East, Africa and Southeast Asia.Depend upon an independent researching and developing strength and perfect checking methods, we ...