Founded in 1986, Shanghai Guorui Hydraulic Technology Co., Ltd. has more than 328 staff members. Our managers and technicians account for 26%. We have an area of 22000 square meters, equipped with 208 equipment, such as machine centers, CNC lathes, gear hobbing machines, gear shaving machines, gear honing machines, rigid boring machines, controlled atmosphere carburizing furnaces and test/physical/chemical equipment.Main products are: 1, Hydraulic gear pump 1) Group0 pump2) Group1 pump3) Group2 pump4) Group3 pump5) Caterpillar pump2, Constant flow pump or power steering pump3, Gear motor (flow divider)4, Hydraulic control valve:1) Multiple direction control valve2) Pneumatic direction control valve3) Manual rotary valve 4, Hydraulic cylinder