We now have a specialist, efficiency workforce to deliver excellent service for our purchaser. We always follow the tenet of customer-oriented, details-focused for tricone bits factory iadc127 98mm, HDD rig pilot bit, diamond pdc bit, steel tooth water well bit,pdc flat drag bit. We have now ISO 9001 Certification and qualified this item .in excess of 16 years experiences in manufacturing and designing, so our items featured with high quality and competitive selling price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Hongkong, Bolivia,Belgium, Switzerland.We insist on the principle of Credit being primary, Customers being the king and Quality being the , we are looking forward to the mutual cooperation with all friends at home and abroad and we will create a bright future of business.