How about Beijing Huayou Energy Technology Services Co., Ltd.?

SPT Energy Group Inc., headquartered in Beijing, is a listed company on the Hong Kong Stock Exchange (code: 01251.HK). Huayou Energy was founded in 1993. After 28 years of steady development, it has now become an international comprehensive oilfield service group integrating reservoir research, scheme design, operation services, tool manufacturing and intelligent technology.

The total number of employees of Huayou Energy Group worldwide reaches more than 4,000, and nearly half of them are overseas employees. Its main business is spread all over the world, including major domestic oil and gas producing areas such as Xinjiang, Sichuan and Chongqing, Shaanxi, and Tianjin, Central Asian countries such as Kazakhstan, Turkmenistan, and Uzbekistan, Middle Eastern and African countries such as the United Arab Emirates, Iraq, Uganda, and South Sudan, and the United States , Canada and other North American countries, as well as Singapore, Indonesia and other Southeast Asian countries. At present, the Group has established branches, modern operating bases and technology R&D and manufacturing centers in various business coverage areas around the world, and has formed a comprehensive oilfield service network covering major oil and gas producing areas around the world.