To meet the customers' over-expected satisfaction , we have our strong team to provide our overall service which includes marketing, sales, designing, production, quality controlling, packing, warehousing and logistics for PDC drag bit for mining, tricone drill bit for well, HDD drilling bit, IADC617 152mm drilling bit,311mm cone bit for drilling. As an experienced group we also accept custom-made orders. The main intention of our firm is to build up a satisfying memory for all consumers, and set up a long-term win-win small business connection. The product will supply to all over the world, such as Europe, America, Australia,Nigeria, London,Paraguay, Atlanta.We warmly welcome domestic and overseas customers to visit our company and have business talk. Our company always insists on the principle of good quality, reasonable price, the high quality service. We have been willing to build long-term, friendly and mutually beneficial cooperation with you.