Series of GW role single-pole double-piston excavator hydraulic cylinders, it's the executive parts for reciprocating linear motion in hydraulic system of the Excavators.GW series of Excavator hydraulic cylinders is the new products of hydraulic cylinders which research and development by our company in recent years. Has been formed from 4.5 tons to 120-ton hydraulic excavator cylinder series, for the characteristics of high-speed, high-pressure in Excavator hydraulic cylinders and absorption advanced technology of foreign excavators hydraulic cylinder, Developed a unique design floating buffer structure, Selection of reliable import sealed cylinder piston rod tube and alloy steel materials and rational use of heat treatment process to improve the performance of hydraulic cylinders and life; And had a focus on the Buffer structure and performance, Sealing structure and performance in such areas, Accumulated in the design and manufacturing process to ensure that the experience of. Series of Gw hydraulic cylinders have the characteristics of high pressure, reliable, Convenient for disassembly, easy to maintain etc. its Main use for the Hydraulic excavators and other high-speed, high-pressure hydraulic machinery.