Tengzhou Zhongbang Machinery Co., Ltd. is a professional Chinese company specializing in the research and development of pipeline and pipeline connection components, serving as a leading supplier of rotating unions. Our main products include H-type, D-type, and Q-type rotating unions, high-temperature rotating unions, hydraulic rotating unions, hydraulic swivel unions, high-speed rotating unions, high-pressure rotating unions, multi-port rotating unions, hydraulic multi-port rotating unions, central swivel unions, central swivel joints for construction machinery, conductive central swivel joints, metal hoses, cable hoses (sheathed hoses), compensators, quick connectors, siphons, flow meters, and sealing gaskets, etc. These products have earned us a good reputation among domestic and international customers.