Guo An Zhang
Chairman at TONG PETROTECH CORP.
Guo An Zhang active positions
| Companies | Position | Start | End |
|---|---|---|---|
| TONG PETROTECH CORP. | Chairman | 31/12/1996 | - |
| President | 31/12/1996 | - | |
Tong Petrotech Inc
 Tong Petrotech Inc Contract DrillingIndustrial Services Tong Petrotech Inc provides oil services. The company was in 2012 and is headquartered in Houston, NY. | Director/Board Member | - | - |
Tong Well Services LLC
 Tong Well Services LLC Financial ConglomeratesFinance Tong Well Services LLC provides investment services. The company is headquartered in Houston, TX. | Director/Board Member | - | - |
| President | - | - | |
Api Holdings LLC (Texas)
 Api Holdings LLC (Texas) Financial ConglomeratesFinance Api Holdings LLC /Texas/ operates as investment holding company. The company is headquartered in Albany, TX. | Chairman | - | - |
Career history of Guo An Zhang
Former positions of Guo An Zhang
| Companies | Position | Start | End |
|---|---|---|---|
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. | Director/Board Member | - | - |
| President | - | - |
Training of Guo An Zhang
| China Europe International Business School | Masters Business Admin |
Statistics
International
| China | 4 |
| United States | 4 |
Operational
| President | 3 |
| Director/Board Member | 3 |
| Chairman | 2 |
Sectoral
| Energy Minerals | 3 |
| Finance | 3 |
| Consumer Services | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 1 |
|---|---|
| TONG PETROTECH CORP. | Energy Minerals |
| Private companies | 4 |
|---|---|
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. | Energy Minerals |
Tong Petrotech Inc
Tong Petrotech Inc Contract DrillingIndustrial Services Tong Petrotech Inc provides oil services. The company was in 2012 and is headquartered in Houston, NY. | Industrial Services |
Tong Well Services LLC
Tong Well Services LLC Financial ConglomeratesFinance Tong Well Services LLC provides investment services. The company is headquartered in Houston, TX. | Finance |
Api Holdings LLC (Texas)
Api Holdings LLC (Texas) Financial ConglomeratesFinance Api Holdings LLC /Texas/ operates as investment holding company. The company is headquartered in Albany, TX. | Finance |
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