JiangSu Changling Hydraulic Co., Ltd. engages in the research and development, production, and sales of hydraulic components and parts. Its products include hydraulic turning joint, adjuster cylinder, spring series, valve series, pin bushing, and application field. The application field is used in excavators, cranes, aerial vehicles, shield machines, rotary excavators, graders, port vehicles, and offshore platforms. The company was founded on December 4, 2006 and is headquartered in Wuxi, China. .