Guizhou Liyuan Hydraulic Co., Ltd. is the first stock system company of China Aviation Industries. It is a specialized manufacturer engaged mainly in production of high pressure hydraulic piston pump/motor.
　　Liyuan Hydraulic has complete specialties, rich experiences in design and manufacture, abundant actual strength in technology, advanced in management. It has become a hydraulic piston pump/motor base that is in the lead of same grade at home. The company has now more than 300 persons with Senior/Medium technical or managerial professions. CAD/CAM is used for developing and processing. The quality system of the company is conformity with international customary rule. The company in September 1996 passed through the quality identification of ISO9001.The computation & inspection system is confirmed authoritative measure unit of national and passed through measure identification of national defence. It has 19 standards of length, heat, power, electricity etc.. The company is equipped with over 1500 pieces of serious equipments, among them 640 metal chip machines, 130 heat machines, more than 100 measure & inspection and physic & chemical machines, about 100 pieces high efficient machines from abroad, therefore guarantee quality of the products.
　　Liyuan Hydraulic has a strong power, the high domestic market share of the products. It has successfully developed the products of 30 series 300 models to be widely used for the engineering, building, mining, shipping, railway engine, metallurgy and agriculture machinery etc.. The products of the company have been exported to North America, South America, Europe, South-east Asia, South Asia, Mid-East and so on. The company is willing to serve the consumers of home and abroad with the first technology and quality.