Zhonghaiwei is high-tech company which integrate R&D, design and manufacture. ZHW's main product includes rubber expansion joints, rubber duckbill check valve, metal expansion joints, flexible grooved couplings, sleeve expansion joints, ducting expansion joints, expansion bellows, rubber lining, dredge hoses, stainless steel braid joint.

ZHW has advanced processing equipment and rich experience in production, has a perfect quality control system and perfect after-sale service system. ZHW has right to import and export.