State Grid Corporation of China (State Grid Corporation of China) is a comprehensive power group established on December 29, 2002, with the approval of the State Council. It mainly engages in the development, investment, construction, operation, and management of power sources, and organizes the production and sales of electricity (heat); Engaged in investment, construction, operation, and management related to power business such as coal, power generation facilities, new energy, transportation, high-tech, environmental protection industry, technical services, and information consulting; Engage in domestic and foreign investment and financing business, independently carry out foreign trade circulation operation, international cooperation, foreign engineering contracting, and foreign labor cooperation. In 2010, the company was selected as one of the Fortune Global 500 companies. In 2016, it ranked 345th in the Fortune Global 500.

        Shangman Electric and Guodian Duyun Power Plant have successfully cooperated, and Duyun Power Plant has successfully selected our company's stainless steel socket box, MX-XZG3-B3101, with a quantity of 57 units. Shangman (Shanghai) Electric Company has provided guarantees for industrial safety electricity use in Duyun Power Plant.