Our business sticks for the basic principle of Quality could be the life with the firm, and track record will be the soul of it for 9.5inches roller cone bit, GG25 GATE VALVE, DOUBLE ECCENTRIC BUTTERFLY VALVE, tricone bit fatory,coal mining tricone bit. With a wide range, high quality, reasonable rates and stylish designs, our products are extensively used with this industries and other industries. The product will supply to all over the world, such as Europe, America, Australia,French, Suriname,Mexico, Germany.We put the product quality and customer's benefits to the first place. Our experienced salesmen supply prompt and efficient service. Quality control group make sure the high quality. We believe quality comes from detail. If you have demand, let us work together to get success.