![Xiu En Ma](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Profile
Xiu En Ma served as a Member-Supervisory Board at China Oilfield Services Ltd. from 2022 to 2024.
Prior to that, Mr. Ma obtained an undergraduate degree from China University of Petroleum (East China) in 1999.
Former positions of Xiu En Ma
| Companies | Position | End |
|---|---|---|
| CHINA OILFIELD SERVICES LIMITED | Director/Board Member | 09/08/2024 |
Training of Xiu En Ma
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
52
1st degree connections
2
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 2 |
|---|---|
China Oilfield Services Ltd.
 China Oilfield Services Ltd. Contract DrillingIndustrial Services Provides well, drilling, marine support and geophysical surveying services | Industrial Services |
China University of Petroleum (East China)
 China University of Petroleum (East China) Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
- Stock Market
- Insiders
- Xiu En Ma
