The shareholders of the company are very strong. At present, the controlling shareholder State Grid Asset Management Co., Ltd. is a wholly-owned subsidiary of State Grid Corporation and an important state-owned backbone enterprise related to national energy security and the lifeline of the national economy. It takes power grid construction and operation as its core business and undertakes the basic mission of providing safe, economical, clean and sustainable power supply for economic and social development. The business area covers 26 provinces (autonomous regions and municipalities directly under the Central Government). Covering 88% of the land area, the power supply population exceeds 65.438+0 billion, and the management personnel is 65.438+0.537 million, ranking 15 in the Fortune Global 500 in 2009. It is the largest public utility enterprise in the world.