Guizhou Gaofeng Petroleum Machinery Co., Ltd., (former name Guizhou Gaofeng Machinery Factory)established in 1971, is China Ordnance Equipment Group Corporation's only direct enterprise in Guizhou, mainly engaged in oil drilling equipment-based civilian production. Adhering to the core values which is"sincere service, the pursuit of excellence, " and adhering to development vision which is "do the world-renowned energy equipment suppliers and service providers", after four decades of development, Guizhou Gaofeng Petroleum Machinery Co., Ltd., has become one of China oil drilling equipment top ten enterprises and a leading enterprise of China's production jars\shock absorber and other oil drilling tools. Guizhou Gaofeng Petroleum Machinery Co., Ltd., is located in GuiYang City, GuiZhou Province of China. The company existing staff are more than 1100 people, including 280 engineering technical personnel, 110 management personnel and more than 295 people who have middle-level professional technical position. The company's total building area is 120 thousand square meters, and has net assets of 190 million yuan. The company has 1257 sets of various machining; Heat treatment and measuring testing equipment, and has independent capacity of the oil drilling tool comprehensive production. To independent research and development production jar; Shock absorber; Drilling tools; Completion tools; Workover tools; Fishing tools; Drilling tools and accessory; Washover cutter and disassembling test equipment, has seven categories more than 200 varieties and more than 800 specifications oil drilling equipments, can meet the various needs for oil drilling operations and processing drilling accident.