Established in 2008, Xi&＃039;An Wansheng Material Resources Co., Ltd locats in the historical and cultural city, Xi&＃039;an. The company has engaged in both manufacturing and marketing for many years and we also have our own manufacturing factory. The factory locats in Taixing City, Jiangsu Province, which was founded in 1996. We mainly produce the type of QF5 and QY4&＃039;s Pressure Regulating Valve, Direction Valve, Air Cylinder, Gas Control Box and Hole Valve on the mud pump, which can be used on the F320 and ZJ20B1-70LDB drill rig. Our products are extensive used in Domestic oil line, for example, the main oil fields of Daqing, Liaohe, Changqing, Xinjiang, Qinghai, and become the Tier One suppliers of China National Petroleum Corporation. Besides, we sale the Oil drilling tools of other famous companies. We are the Sole Agent of Jiangsu Rudong General Machinery Co., Ltd and Guizhou Gaofeng Petroleum Machinery Co., Ltd in Shaanxi area. In the year of 2010, in order to develop our company furtherly, we applied the import & export license by ourselves. Now the main businesses of our company are importing and exporting Bearings, Oil drilling tools, Drill rig, and other machines on petroleum. Moreover, we can also processing heavy casting and forging with supplied drawings. We are holding on the principles of Honesty, Conscientious, Professional, and Win-win forever. We are looking forward to build long-term friendly relations of cooperation with you.