| 1 | | Primary Add: No.13 Ziyuan Road, 3rd Floor of Block 1 Unit B, Huayuan Industrial Park, Nankai District,Tianjin,China | Tianjin |  CN | | Oil & Energy | N/A | Sofia Lee | Department Sales - Tianjin Kelioil Engineering Material and Technology Co.,Ltd |
| 2 | | No.333 XianQiao Road NanPing | zhuhai | CN | | Oil & Energy | N/A | Irene Chan | Sales at Dshing Intrument Co.,ltd |
| 3 | | Primary Mazhuangqiao Industrial Zone | Puyang city | CN | | Oil & Energy | N/A | 李连杰 | Puyang Zhongshi Group Co.,Ltd. |
| 4 | | 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 |
| 5 | | Primary 26F, No.9 Keyan Road, Nanshan District | Shenzhen | CN | | Oil & Energy | N/A | Mike Kwok | Key Account Manager at CBAK Power Battery Co., Ltd |
| 6 | | Primary 901-902 NO. 1 LANE 157 PUSAN ROAD | Shanghai | CN | | Oil & Energy | N/A | Philippe Barthelet | Operations management & SAP |
| 7 | | Primary No.75, Lane 694, Yangnan Road, Shanghai, China | Shanghai | CN | | Oil & Energy | N/A | N/A | N/A |
| 8 | | Primary West of Guting Street,Weifang,Shandong,China | Weifang | CN | | Oil and Gas Company | N/A | Andre Luppi | N/A |
| 9 | | Primary No. 28, Gulouwai Avenue, Dongcheng District, Beijing, China | Beijing | CN | | Oil & Energy | N/A | baoquan tan | Director |
| 10 | | 18Xiyuan Rd | Luoyang | CN | | Oil & Energy | N/A | Surin Saechan | Civil Supervisor ที่ Scivic ( Thailand ) Co., Ltd. 中国汽车工业工程有限公司 |
| 11 | | Primary Beichen Mansion,No.1,Longzhou Ave.,Beichen Dist. | Tianjin | CN | | Oil & Energy | N/A | LI HAO | STATE POWER CORPORATION TIANJIN BRANCH - Senior Manager |
| 12 | | Primary Room203 #2552 Pudong ave pudong district | Shanghai | CN | | Oil & Energy | N/A | Hanna Andraos | The Sole Agent at Centrum Petroleum Machinery Limited Company |
| 13 | | Primary Yuhang District, | Hangzhou | CN | | Oil & Energy | N/A | Cherry Shi | Sales Manager at Hangzhou Chuankong General Equipment Co.,Ltd. |
| 14 | | 601A, B, NO.1518, Minsheng Road Pudong New Area | Shanghai | CN | | Oil & Energy | N/A | Solar Key | General Manager at Q-Trade Co., Ltd. |
| 15 | | Primary Yongkang city Zhejiang China | Yongkang | CN | | Oil & Energy | N/A | N/A | N/A |
| 16 | | Weifang, Shandong 261108, CN | Weifang | CN | | Oil & Energy | N/A | N/A | N/A |
| 17 | | Primary Yongkang Mutual Benefit Instruments Co,.Ltd | Yongkang | CN | | Oil & Energy | N/A | Sam Hu | Business Development Manager |
| 18 | | 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 |
| 19 | | Primary No. 29 Songshan Road, Modern Industry Park, Hangu | Tianjin | CN | | Oil & Energy | N/A | Sandra Wang | Assistant General Manager at Richform Engineers & Constructors (Tianjin) Ltd. |
| 20 | | Primary Geophysical Science & Technology Park of BGP Huayangdong Road, Zhuozhou city | Hebei | CN | | Oil & Energy | N/A | juxiang liu | Vice President |
