1, Huayu Mining: The company is mainly engaged in non-ferrous metal mining, mineral processing, geological exploration and trade. The main products are zinc concentrate, lead antimony concentrate (containing silver) and copper concentrate.

2. Jingui Silver Industry: Jinhe Mining has high-quality lead-zinc mine production resources in Lhasa. It is a modern mining enterprise integrating mining and mineral processing, and its business covers the mining and mineral processing industry chain from mining to mineral processing.

3. Tin industry shares: a global tin industry giant with a market value of 654.38+0.5 billion. At present, the company has proven reserves of 5.47 million tons of tin, 7.75 million tons of copper and 0.42 million tons of lead. The tin reserves held by the company and controlled by related parties rank first in the world. Tin industry is the most authentic organic light-emitting diode concept stock. The main material of organic light emitting diode is indium tin oxide.

4. Oriental Zirconium Industry: The market value of management shares is 4.5 billion. Dongfang Zirconium Industry is an enterprise with leading technology, the largest scale, the most core competitiveness and comprehensive competitiveness in China Zirconium Industry, and also one of the most complete manufacturers of zirconium products in the world.

5. Haiyun Metal: The management holds a stock market value of 5 billion. The production and sales of metal strontium and magnesium alloys rank first in the world.

6. Western materials: the market value is 4.5 billion. The company has formed a diversified pattern with titanium industry as its main business, covering metal fibers and products, rare and precious metal materials, tungsten and molybdenum materials and products, and its products are widely used in aviation, aerospace, navigation, information, electronics, energy, environmental protection and other important fields of the national economy.