Brief Introduction of Daqing Sanhuan Drilling Engineering Co., Ltd.

Sanhuan Drilling Company completed the shareholding system reform in 2000 and became a large-scale joint-stock enterprise with the characteristics of modern enterprise system. The company has established a brand-new operating mechanism and management mechanism, strengthened the market awareness of "competition for posts, contribution to income, development and survival, innovation and development" and the crisis awareness of survival in adversity, and formed the corporate atmosphere of Qi Xin's concerted efforts and striving for progress.

The company is a qualified subcontractor of the oilfield company. In 2002, it was the first company in the national drilling industry to pass the integrated management system certification, namely ISO9002(2000 quality system), ISO 1400 1 (environment) and ISO2800 1 (health and safety) management systems; On the basis of obtaining Grade B drilling qualification issued by the Ministry of Land and Resources, the company obtained the qualification of China Oil and Gas Group in 2006. At the same time, according to the requirements of petroleum industry, we have established HSE management system, and the quality, health, safety and environmental management level of enterprises have been continuously improved.