What heavy industries are there in Xining?

heavy industry can be divided into three categories according to the nature of production and the use of products: (1) mining (logging) industry refers to the exploitation of natural resources, including oil, natural gas mining, coal mining, metal mining, nonmetal mining, wood logging and other industries; (2) Raw material industry refers to the industry that provides basic materials, power and fuel to all sectors of the national economy. Including ferrous and non-ferrous metal smelting and processing, coking and coke, chemistry, chemical raw materials, cement, wood-based panels, electricity, petroleum and coal processing, glass fiber raw materials, sawn timber and wood-based panel industries; (3) Processing industry (manufacturing industry) refers to the industry that reprocesses industrial raw materials. Including machinery and equipment manufacturing industry, electronics industry, chemical fertilizer, metal structure, cement products, other building materials manufacturing industries, as well as production materials for agriculture such as chemical fertilizer and pesticides. Most of the heavy industry products are used for production, and a small part is used for daily consumption, such as electricity, domestic coal, cars and so on. There are many enterprises in Xining that meet these requirements, such as steel mills, Qinghai Aluminum Plant, Qiaotou Aluminum Power Plant, Huangzhong Huangyuan Ferrosilicon Plant, Datong Coal Mine Cement Plant, all enterprises in Ganhetan Industrial Park, western mining industry and so on.