Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for Kaishan Kszj2923g, China Drag Bit Factories, Mission Dth Hammer, Rock Drill Botton Bit,Air Compressor Oil. We are looking forward to receiving your enquiries soon. The product will supply to all over the world, such as Europe, America, Australia,Amman, Swedish,Algeria, Bolivia.We have more than 200 staff including experienced managers, creative designers, sophisticated engineers and skilled workers. Through hard work of all employees for the past 20 years own company grew stronger and stronger. We always apply the "client first" principle. We also always fulfill all contracts to the point and therefore enjoy excellent reputation and trust among our customers. You are very welcome to personally visit our company.We hope to start a business partnership on the basis of mutual benefit and successful development . For more information please do no hesitate to contact us..