In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our whole heartedly service and product for rig drilling 98mm, ASTM A536 65-45-12 GATE VALVE, ASTM A351 CF8M BUTTERFLY VALVE, CHINA VALVE FACTORY,rock drill bit IADC517. We are able to do your tailored get to fulfill your own satisfactory! Our organization sets up several departments, including manufacturing department, sales department, high quality control department and sevice center, etc. The product will supply to all over the world, such as Europe, America, Australia,Belize, Auckland,Cyprus, South Africa.Our mission is Provide Products with Reliable Quality and Reasonable Prices. We welcome customers from every corner of the world to contact us for future business relationships and achieving mutual success!