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