| 1 | | Primary Beichen Mansion,No.1,Longzhou Ave.,Beichen Dist. | Tianjin |  CN | | Oil & Energy | N/A | LI HAO | STATE POWER CORPORATION TIANJIN BRANCH - Senior Manager |
| 2 | | Primary Room203 #2552 Pudong ave pudong district | Shanghai | CN | | Oil & Energy | N/A | Hanna Andraos | The Sole Agent at Centrum Petroleum Machinery Limited Company |
| 3 | | Primary No.31 , 12F, Habo Center Jinsong North Road Yingze District-030002 | TAIYUAN | CN | | Oil & Energy | N/A | Wu Hao | Vice Managing Director of Capital Management |
| 4 | | Primary Building A, ENN Industrial Park Xinyuan Dong Road,eco and tech dmnt zone | LANGFANG | CN | | Oil & Energy | N/A | Shirley Kwok | Head of Investor Relations at ENN Energy Holdings Ltd |
| 5 | | Primary No.18 building,319# xiang | Shijiazhuang | CN | | Oil & Energy | N/A | N/A | N/A |
| 6 | | Primary Room 201B, Building 6, No.183 Yinshan Road | Pudong | CN | | Oil & Energy | N/A | cui jin | President/General Manager at Deep Water Tech Offshore Engineering LTD |
| 7 | | Primary No. 104 Dongyue Avenue TAIAN, SD | TAIAN | CN | | Oil & Energy | N/A | 鲁雯静 | -- |
| 8 | | Primary Factory address: Lujiang industrial park, Lujiang County,Hefei,Anhui,China Office:Room 2312, International Apartment, No.5558 Huizhou Avenue, Binhu District, Hefei City, Anhui Province, China 231500 | Lujiang | CN | | Oil & Energy | N/A | 2 1 | Anhui Ruiling meter manufacturing co.,ltd (fuel dispenser flowmeter fuel nozzle) - translator |
| 9 | | Primary No.75, Lane 694, Yangnan Road, Shanghai, China | Shanghai | CN | | Oil & Energy | N/A | N/A | N/A |
| 10 | | Primary 14F, Chiwan Petroleum Building, Shekou | SHENZHEN | CN | | Oil & Energy | N/A | xin zhao | Project Manager at Shenzhen Chiwan Petroleum Supply Base Co., Ltd |
| 11 | | Primary Xiongzhou Industrial Park | Luhe | CN | | Oil & Energy | N/A | N/A | N/A |
| 12 | | Primary 16 Jianxin North Road | Chongqing | CN | | Oil & Energy | N/A | Evelyn Chen | Oversea Marketing Sales Manager, oil purifier and oil recycling plants, at NSH Oil Purification |
| 13 | | Primary No.919 | Xinyu | CN | | Oil & Energy | N/A | Helen Xing | Export Manager |
| 14 | | Primary Building #5,Kaitai Road No 18,Xiangcheng district | Suzhou | CN | | Oil & Energy | N/A | David Barr | Vice President at CIMC ENRIC ENERGY EQUIPMENT |
| 15 | | Primary Huanan Square, Zhonglin Dasha No. 1505 Ganjingzi district | Dalian | CN | | Oil & Energy | N/A | N/A | N/A |
| 16 | | Primary 8 floor, Block C, The MIX City | shanghai | CN | | Oil & Energy | N/A | N/A | N/A |
| 17 | | Primary Room 402, Gate 3, Building 8, Yicuishangfu, Hi-Tech District, | Xi'an | CN | | Oil & Energy | N/A | Daniel Zhang | General Manager at Katwell Energy | Downhole Video (Camera) Specialist |
| 18 | | Primary Shijiazhuang Equipment Manufacturing Base, Yuanshi Street 571, Hebei, China. | shijiazhuang | CN | | Oil & Energy | N/A | Tina Wei | NAILI ROTARY VANE COMPRESSOR SOLUTIONS |
| 19 | | Primary #903,Unit2,2rd Building,Changqing Garden, Huayuan Rd.,Xisai district, | Huangshi | CN | | Oil & Energy | N/A | Frank Liao | Engineer at Huangshi Diamaster Co.,Ltd. |
| 20 | | Primary No.22 Guanri Road, Software Park II | Xiamen | CN | | Oil & Energy | N/A | 林曉惠 | 業務担当 |
