Jining Tongderui Construction Machinery Co., Ltd is located in Jining City The base for Construction machinery--Komatsu & Shantui factory.Main supply genuine & oem parts for excavator, wheel loader and Bulldozer for many brands with 12 years experience.Parts as hydraulic pumps, swing device, final drive, Control Valve, Cabin assy & parts, Radiator and oil cooler, hydraulic cylinder, electric parts, undercarriage parts and so on.Exprot all the world with the best quality and service.