Development History

Thirty Years, Hydraulic Dreams

The history of entrepreneurship begins more than 30 years ago. Mr. Ruan started by contracting a machine repair shop and a machine tool. Production ranges from hydraulic pipe joints to gear pump parts, gear pumps, gear splitters, gear motors, etc.

With the joining of foreign experts, GRH have been successfully developed many high-end hydraulic products: electro-hydraulic proportional valves, power units, obital motors, integrated valve blocks, etc. Therefore, GRH become a strategic supplier and high-quality supplier of well-known OEMs at home and abroad.