Shengli Oilfield Hongsheng Petroleum Engineering Co., LtdShengli Oilfield Hongsheng Petroleum Engineering Co., Ltd., formerly known as Shengli Oilfield Wenguang new technology development service company, is located at N…

Shandong Shengli Weiye Petroleum Engineering Technology Service Co., LtdIn order to develop China's energy industry, Shandong Shengli Weiye Petroleum Engineering Technology Service Co., Ltd. adheres to the developmen…