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.