Tengzhou Zhongbang Machinery Co., Ltd. is a professional Chinese company specializing in the research and development of pipeline and pipeline connection components, focusing on rotating unions. Our main products include rotating unions (H-type, D-type, Q-type), high-temperature rotating unions, hydraulic rotating unions, hydraulic swivel joints, high-speed rotating unions, high-pressure rotating unions, multi-port rotating unions, hydraulic multi-port rotating unions, central swivel joints, central swivel joints for construction machinery, conductive central swivel joints, metal hoses, cable hoses (sheathed hoses), compensators, quick connectors, siphons, flowmeters, and sealing gaskets, etc., which have earned a good reputation among customers both domestically and internationally.