Jiangsu Changling Hydraulic Co.,Ltd researches and develops, produces, and sells hydraulic components in China and internationally. The company offers slewing drives, central turning joints, tensioning devices, springs and valves, hydraulic central rotary joint, adjuster cylinder, pin bushing, etc. Its products are used in the industry of construction machinery, mining machinery, offshore operating etc. The company was founded in 1978 and is based in Jiangyin, China.