Longyuan (Beijing) New Energy Engineering Technology Co., Ltd.

Longyuan (Beijing) Wind Power Engineering Technology Co., Ltd. is a subsidiary of China Energy Investment Corporation (CHN Energy), registered and established in June 2007. The company positions itself as the "Electric Power Research Institute" for the wind power industry. In the course of development, it has gradually formed a technical support and service team with wind farm technical supervision as the core, covering multiple fields such as technical research on power generation equipment (wind turbines), technical research on power transmission and transformation equipment, information and data technology research, and safety consulting technology research. Specific details include: 1. Technical services for power generation equipment: mainly providing multi-disciplinary technical support for centralized defects, faults, accidents, and technical renovations in wind farms. Main business includes: wind power oil testing, unit vibration testing and analysis, technical support and board card repair for main control, pitch, and frequency conversion system faults and defects, and technical support for mechanical and hydraulic system faults and defects of units. In the future, in-depth research will be conducted on control logic of unit main control, pitch, and frequency conversion systems, as well as life assessment of large components and entire units, and condition-based maintenance of units. 2. Technical services for power transmission and transformation equipment: carrying out technical supervision and support for power transmission and transformation equipment in onshore and offshore wind farms; conducting preventive tests of substation electrical equipment and relay protection setting calculations; and analyzing issues related to frequency stability and voltage stability in the source-grid coordination technology field. Gradually forming a working model for condition monitoring and maintenance of wind farm power transmission and transformation equipment, and promoting the construction of the wind power "Electric Power Research Institute". 3. Information and data services: providing wind farms with operational data analysis, optimization assessment, anomaly early warning, standard power curve testing, centralized monitoring and equipment information analysis by the monitoring center, and responsible for the company's big data informatization construction. The company has 3 functional departments and 8 business departments, with 208 employees, of whom 150 have master's degree or above, and more than 110 graduated from key universities such as Tsinghua University, Peking University, and the Chinese Academy of Sciences. Excellent human resources effectively ensure the continuous improvement of the company's technical service level. Comprehensive welfare, rich training opportunities, nutritious and hygienic free working meals, employee dormitory provided within three years of employment, paid leave, social insurance, supplementary medical insurance, housing provident fund, enterprise annuity, accidental injury insurance, transportation accident insurance, and critical illness insurance to enhance employees' ability to resist risks, and annual health check. Address: Floor 12, Room 06, Building 683, Section 2, No. 5 Zhongguancun South Street, Haidian District, Beijing. Contact: Mr. Sun