We are experienced manufacturer. Wining the majority of the crucial certifications of its market for IADC645 6 1/4inches tricone drilling bit, cone bits IADC517 11 5/8 inches drill bit, IBBM CHECK VALVE, CLASS 125 METAL SEAT GATE VALVE,CHINA FAMOUS VALVE BRAND. We will supply high quality, market competitive price, for every new and old customers with perfect green services. The product will supply to all over the world, such as Europe, America, Australia,Benin, Lesotho,Burundi, Montreal.With the high standards of product quality and service, our products have been exported to more than 25 countries like the USA, CANADA, GERMANY, FRANCE, UAE, Malaysia and so on.We are very pleased to serve customers from all over the world!