Guangzhou Newsun hydraulic was founded in 1997, And we have more than 10yeas experience for hydraulic parts. We deal in various Piston Pump, Swing Pump and Travel Pump and their parts, Such as: D3V Series, EX Series and M2X Series, Which are true of Komatsu, Kato, Hitachi, Caterpillar, Sumitomo, Kobelco, Daewoo, Hyundai and some other machines. Their parts include Cylinder Block, Drive Shaft, Set Plate, Valve Plate, Piston, Regulator, Bearing, Repair Kit and so on.