1. Auxiliary services for oil and gas exploitation, such as drilling, logging, workover, cementing, oil testing, fracturing technical services and downhole operations.
2. Petroleum construction engineering, pre-drilling engineering, highway engineering, earthwork engineering and garden engineering construction.
3. Anti-corrosion and thermal insulation engineering, water conservancy and hydropower engineering and environmental protection engineering construction.
4. Cleaning service.
5. Sales of oil drilling and production equipment and accessories, office supplies, computer consumables, labor insurance supplies and Wujinjiaodian.
6. Standardized well site construction.
7. Property management, construction management, enterprise management and municipal engineering management.
8. Maintenance of public facilities.
9. Parking service.
The specific service scope may vary from company to company, so it is recommended to consult relevant companies directly to obtain accurate information.