Suzhou Liyuan Hydraulic Co., Ltd, formerly Liyuan Hydraulic (Suzhou) Co., Ltd, is jointly owned by Allied Machinery and Avic group. It is one of the first enterprises engaged in developing high-end hydraulic components and systems in China. The company has more than 50 years of experience in the R&D and manufacturing of hydraulic pumps and motors. It has R&D and production facilities both in Suzhou City and Guiyang City.

Headquartered in the Xiangcheng Cooperative Economic Development Zone of Suzhou, the company has an R&D center of 10000 square meters and a mass production facility of 40000 square meters. It offers integrated hydraulic solutions and a variety of hydraulic products for application in excavator, crane, rotary drilling rig, aerial work platform, concrete machinery, combine harvester, corn harvester, and track-type tractor etc.