Our company is a professional high-tech enterprise of drilling tools in Shandong Province. After years of efforts, with advanced production technology, production experience, strong technical force, advanced technology and equipment and testing means, our company has been specialized in the production of coal cutters, drills, pick teeth, road milling teeth, shield cutting tools and mining tools and accessories. Our products sell well in over 30 provinces, cities and autonomous regions, and are exported to many foreign markets including the United States, Australia, Japan and so on. Our...