Jining Shanshi Construction Machinery Co., Ltd. is located in the famous production base of construction machinery for Komatsu and Shantui in Jining city, China. we are specialized in exporting genuine and OEM parts for excavator final drive , hydraulic pump, swing motor,reduction gearbox, swing bearing, rubber track, steel track shoe and rollers, which fit for machine Caterpillar ,Hitachi,Komatsu, Yanmar, Kobelco, Hyundai, Doosan, Kubota, Volvo, Kato, Sumitomo and so on. Our professional experienced sales team will supply you efficient service and we will be your reliable hydraulic partner in long business.