Our business puts emphasis over the administration, the introduction of talented staff, plus the construction of team building, attempting hard to boost the standard and liability consciousness of personnel customers. Our corporation successfully attained IS9001 Certification and European CE Certification of iso pdc bit, steel tooth water well bit, Tungsten carbide insert bit, OS&Y GATE VALVE,sealed bearing tricone bit iadc127. With the eternal goal of continuous quality improvement, customer satisfaction, we are sure that our product quality is stable and reliable and our products are -selling at home and abroad. The product will supply to all over the world, such as Europe, America, Australia,Belgium, Seattle,El Salvador, British.We'll supply much better products with diversified designs and expert services. We sincerely welcome friends from over the world to visit our company and cooperate with us on the basis of long-term and mutual benefits.