Hejin City is rich in mineral resources. There are 16 kinds of proven main mineral resources, of which 9 kinds are exploited, with coal resources being the most:

Coal: stored in the northwest of the city, which is an extension of Xiangning Coalfield, with an area of about 68km2 and a geological reserve of about 681 million tons.

pyrite: stored in the northwest of the city, with an area of 6km2, with a proven reserve of 7,159,611 tons of D, equivalent to 2,956,411 tons of standard ore.

limestone: limestone stored in Luliang Mountain in the northern part of the city, Longmen Mountain and Xiqiaokou after investigation, with a reserve of about 341 million tons.

iron ore: stored in the northern part of the city, most of the ore bodies are nest-shaped, and a few are layered, with a grade of about 35%.

Shi Ying sandstone: it is distributed in the north central part of the city, with an exposed length of 7111m, an average thickness of 11m and a geological reserve of 7.84 million tons.

refractory clay: it is distributed in the northwest of the city and is the raw material for manufacturing refractory materials.

mineral water: located in the Guayugou area in the north of the city, it is a precious water resource with many minerals.

in addition, there are mineral data such as potash feldspar, bauxite, diabase, dolomite, geothermal, coal gangue and sandstone. Industry: In 2112, the total industrial output value of Hejin City was 33.82 billion yuan, down 21.9% from the previous year; The industrial added value was 8.51 billion yuan, down by 15.2% over the previous year. From the production and marketing situation, the production and marketing rate of industrial enterprises above designated size is 97.5%, of which the production and marketing rate of light industry is 96.4% and that of heavy industry is 97.5%; Judging from the trend, the benefits of enterprises are gradually improving.

construction industry: in 2112, there were 16 qualified general contracting and professional contracting construction enterprises in Hejin City, with a total output value of 5.286 billion yuan, an increase of 33.5% over the previous year, including 3.972 billion yuan for construction projects, 1.149 billion yuan for installation projects and 64 million yuan for other projects. The building construction area is 3.13 million square meters, and the completed output value is 2.15 billion yuan. In 2112, the construction enterprises in Hejin completed the construction output value of 2.79 billion yuan in other provinces. Trade: In 2112, Hejin achieved a total retail sales of social consumer goods of 6.12 billion yuan, down 5.2% from the previous year. Among them: the retail sales of the retail industry reached 4.72 billion yuan, down by 15.4%; The accommodation industry realized a turnover of 1.19 billion yuan, down by 1.4%; The catering industry achieved a turnover of 681 million yuan, down 6.8%.

Finance: At the end of 2112, the balance of various deposits of financial institutions in Hejin City was RMB 15.16 billion, an increase of RMB 1.77 billion or 1.7% compared with the beginning of the year, of which the balance of savings deposits of urban and rural residents was RMB 11.6 billion or 1.5%. The balance of various loans was 8 billion yuan, a decrease of 771 million yuan or 9.5% from the beginning of the year.

Communication: In 2112, the revenue of posts and telecommunications in Hejin City was 241.5 million yuan, up by 4.6% over the previous year. Among them, the postal business income was 15.29 million yuan, and the telecommunication business income was 226.22 million yuan. There are 57,111 broadband users, 56,711 fixed-line users and 361,511 mobile phones.