What is the treatment and working environment of CNOOC Energy Development Co., Ltd. Oilfield Construction Engineering Company? I majored in chemical engineering and technology.

Youjian is a professional technical service company with equipment operation and maintenance as its core business, integrating R&D, design, equipment manufacturing, oil field operation and maintenance, energy-saving detection and other four industries, with 390,000 square meters of offshore engineering construction site. At present, there are nearly 4,000 registered employees, and there are professional branches in Tianjin, Yantai, Shanghai, Zhanjiang, Shenzhen and other places, including He Zhonghai Engineering, Technology Testing Company, Energy Conservation and Emission Reduction Center, Mechanical Equipment Technology Service Center, Machining Center, Bohai Engineering Technology Center, and Sea Pipe Technology Center. As for the major of chemical engineering and technology, I'm not sure what I can do, but if I can formally sign a contract and create jobs, my salary and benefits will still be guaranteed, and the bonus will also depend on the profits of the department.