YangGu KaiMan drilling tools (tools) Co. mainly produces and sales (rock drilling tools, mine accessories, engineering tools, geotechnical drilling tools, dig shield tools). The company has gained ISO9001 and 2000 quality management system certification. Main products: various types of coal winning machine with picks shape cut teeth, knife cut teeth, especial shape with tunneling tooth and the rotating drill with spiral milling planer dig tooth and milling planer machine used tooth, subway shield construction machine with shield tools and various types of mining bits, rock drill, anchor drills, DTH bits. Elaborate the high-quality goods, win-win depending on the good faith. Contact phone number; 13406366061