Ya Dong Liu
Corporate Officer/Principal at TONG PETROTECH CORP.
Active connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Zhi Jian Zhang | M | 59 | 23 years | |
| Yan Zhong Ren | M | 61 | 24 years | |
| Shen Shi Mei | M | 60 | 4 years | |
| Guo An Zhang | M | 54 | 27 years | |
| Li Hong Zhao | F | 53 | 4 years | |
| Yan Chen | F | 53 |
DDGY Oil Services Co. Ltd.
 DDGY Oil Services Co. Ltd. Oil & Gas ProductionEnergy Minerals DDGY Oil Services Co. Ltd. engages in the provision of oil exploration services. Its business scope includes technology promotion services; mineral resources exploration; oil logging technology services; sales of machinery and equipment, and chemical products; warehousing services; freight forwarding; and import and export of goods. The company was founded on January 12, 2006 and is headquartered in Beijing, China. | - |
| Hu Meng | M | 62 |
DDGY Oil Services Co. Ltd.
DDGY Oil Services Co. Ltd. Oil & Gas ProductionEnergy Minerals DDGY Oil Services Co. Ltd. engages in the provision of oil exploration services. Its business scope includes technology promotion services; mineral resources exploration; oil logging technology services; sales of machinery and equipment, and chemical products; warehousing services; freight forwarding; and import and export of goods. The company was founded on January 12, 2006 and is headquartered in Beijing, China. | - |
| Hai Long Tan | M | - |
DDGY Oil Services Co. Ltd.
DDGY Oil Services Co. Ltd. Oil & Gas ProductionEnergy Minerals DDGY Oil Services Co. Ltd. engages in the provision of oil exploration services. Its business scope includes technology promotion services; mineral resources exploration; oil logging technology services; sales of machinery and equipment, and chemical products; warehousing services; freight forwarding; and import and export of goods. The company was founded on January 12, 2006 and is headquartered in Beijing, China. | - |
| Yuan Zhang | M | 42 | 4 years | |
| Wen Li | M | 58 | 4 years | |
| He Liu | F | 28 | 4 years | |
| Hong Wei Wang | M | - | - | |
| Xu Zhang | M | 35 | - |
Connections Chart
Multi-company connection
Former connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Wan Fu Liu | M | 85 | - | |
| Ji Cheng Yuan | M | 81 | - | |
| Bo Xu | M | 52 | 20 years | |
| Chao Zhao | M | 41 | - | |
| Yin Zhong Liu | M | 62 | 18 years | |
| Yi Tian | M | 55 | 18 years | |
| Jin Feng | F | 54 | 7 years | |
| Bai Shuang Zhang | M | 47 | - | |
| Shao Wei Li | M | 46 | - | |
| Wei Pan | M | 43 | - |
Statistics
| Country | Connections | % of total |
|---|---|---|
| China | 23 | 100.00% |
Age of Connections
Active
Past
Male
Female
Members of the board
Executives
Origin of connections
- Stock Market
- Insiders
- Ya Dong Liu
- Personal Network