Our enterprise since its inception, often regards solution excellent as enterprise life, continually strengthen output technology, enhance product high quality and continually strengthen organization total high-quality administration, in strict accordance using the national standard ISO 9001:2000 for 12 1/4″ IADC517 rock drill bit, well drilling head, 8.5 inches bits for well drilling, pdc 6" for oilwell,roller cone bit. Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details. The product will supply to all over the world, such as Europe, America, Australia,Guyana, New Zealand,Munich, Jakarta.With more and more Chinese products around the world, our international business is developing rapidly and economic indicators big increase year by year. We have enough confidence to offer you both better products and service, because we are more and more powerful, professional and experience in domestic and international.