Is Leshan electric power a state-owned enterprise or a private enterprise?

According to the inquiry of Aiqi, Leshan Electric Power Co., Ltd. was established on March 8, 1988, which is the first electric power joint-stock enterprise in China and the first electric power company established in China, with the qualification of state-owned enterprise. The company is an "AAA" enterprise of Agricultural Bank of China, and it is one of the big profit and tax households in Leshan City. The company has its own power system, which spans the fields of electricity, natural gas, tap water, hotels, photovoltaic new energy and so on. The actual controller of the company is nobody.