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 PQ core drill bit, PN10 METAL SEAT GATE VALVE, Oilfield drill bits IADC517, OS&Y GATE VALVE,pdc bit drilling equipment. We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our factory and purchase our products. The product will supply to all over the world, such as Europe, America, Australia,London, Macedonia,Milan, Guatemala.We now have been making our goods for more than 20 years . Mainly do wholesale , so we've competitive price , but high quality. For the past years , we got very good feedbacks , not only because we offer good solutions , but also because of our good after-sale service . We are here waiting for yourself for your inquiry.