Yantai Jereh Oilfield Services Group Co., Ltd. is a China-based provider of oil field equipment and oil field services. The Company operates its businesses through three segments: oil field and mining equipment maintenance, modification and distribution of spare parts; manufacture of oil field equipment, as well as oil field engineering technology services. The Company operates its businesses in domestic and overseas markets. During the year ended December 31, 2010, manufacture of oil field equipment, equipment maintenance, modification and distribution of spare parts, as well as oil field engineering technology services accounted for approximately 44.63%, 36.51% and 18.16% of the Company鈥檚 total revenue, respectively.