On the basis of adhering to the main business of hydraulic cylinder manufacturing, the company has developed the remanufacturing business of high-pressure piston pump and proportional servo valve. After just one year of preparation and development, the company has two 160kW and 75kW frequency conversion controlled high-pressure pump comprehensive performance test-bed, and has provided the maintenance technical services of imported parkerl, Rexroth, Vickers and other brands of high-pressure piston pump for iron and steel metallurgical equipment, cement mechanical equipment, power equipment and other industries