Hefei Changyuan Hydraulic (合肥长源液压股份有限公司, HCHC, formerly known as Hefei Hydraulic Parts Factory) is a company specializing in research and development, production and sales of hydraulic components. It offers hydraulic pumps, motors, valves, cylinders, and control systems. The company caters to construction and agricultural machinery, industrial vehicle, environmental protection equipment, and other sectors.