Shandong KERUI Holding Group, established in 2001, is located in Dongying where the beautiful Yellow River Delta and China's second largest oil fieldShengli Oilfield . The company has more than 2500 employees, among which more than 1200 are technicians and 300-odd foreign workers from more than 20 countries. KERUI has been awarded as a Leading Enterprise of Shengli Industrial Park, a Key Developing Enterprise in China Petroleum Equipment Industrial Base and a National Key Hi-Tech Enterprise. It is a comprehensive enterprise integrating the R&D and manufacture of drilling and workover equipments, oil production equipments, wellhead and downhole tools and oilfield special operation equipments; production and assembly of natural gas compressors; and providing oilfield exploration and development solutions and oilfield engineering technical services.