Shandong Engineering Machinery Co., Ltd. Three-Stone was founded in 2008, is a professional all car Komatsu excavator parts sales, Komatsu excavator accessories models 55MR-2,56-7,60-7,70-8,110-7, 130-7,160-7,200-7-8,220-7-8,240-8,270-7,300-7,360-7,400-7,450-7 excavators whole car original accessories ??? Professional mechanical maintenance, spare parts supply, service, construction, equipment leasing company based in China's construction machinery base in Shandong Jining Road torch. The company "people-oriented, the pursuit of excellence, scientific and technological innovation." Vendors work closely with the country, to build a first-class team to create a first-class performance and services to contribute to the community, the market is constantly changing, technology is changing rapidly, we think the community to provide more advanced, reliable, high-quality products and excellent service for the purpose of creating a hundred years of quality engineering as the goal, to create new value for customers and society.