1. Research Institute of Exploration and Development Xinjiang Oilfield Company Kelamayi City Xinjiang China
2. Development Corporation Xinjiang Oilfield Company Karamay City Xinjiang China
3. Xinjiang Taiqi Petroleum Technology Co., Ltd Karamay City Xinjiang China
4. Well Testing Company XDCE, China National Petroleum Corporation Karamay City Xinjiang China
5. Development Corporation of Heavy Crude Oil Xinjiang Oilfield Company, Petro‐China Karamay City Xinjiang China