Yunnan Tin Industry Co., Ltd. (hereinafter referred to as the "Company") is a controlling shareholder of Yunnan Tin Industry Group Co., Ltd. and the only listed company in the domestic tin industry. It is China's largest tin production, processing and export base. Since 2005, the company's tin metals have been The output ranks first in the world. In February 2000, the A-shares of "Tin Industry Co., Ltd." were listed on the Shenzhen Stock Exchange with the stock code: 000960. Since its listing, the company's production scale and asset scale have been continuously expanded. Its annual production capacity is 80,000 tons of tin, 24,000 tons of lead, 24,000 tons of tin chemical products, and 25,000 tons of tin material products. Total assets increased from 1.634 billion yuan in 1999 to 11.331 billion yuan in 2010. The company's main products include tin ingots, lead ingots, indium ingots, silver ingots, bismuth ingots, copper concentrate, tin lead solder and lead-free solder, tin materials, tin-based alloys, organic tin and inorganic tin chemical products, more than 40 series 1470 Multiple varieties. The leading product "Yun Tin Brand" fine tin is a "Chinese famous brand product" and a national quality inspection-free product. The company's "Yun Tin Brand YT" trademark is a "China's well-known trademark" and an internationally renowned brand. The company's international market share of products is 16.75%, and its domestic market share accounts for about 41.59%.

The company has the world's most advanced mining, selection, smelting and deep processing technology, and has the world's most complete tin mining, smelting and deep processing industry chain. It has mining exploration, mining, smelting, tin chemical industry, tin, copper, lead and The industrial structure of vertical integration of deep processing of other non-ferrous metals. The company insists on taking the new industrialization path, and through capital operation, it continuously steadily advances the implementation of its development strategy, accelerates technological progress and industrial upgrading, actively seizes the commanding heights of technology, and successfully introduces the world's most advanced Osmet in its domestic industry. Technology, tin smelting technology is generally ahead of the world's advanced level. The company actively implements the "going out" strategy, and its production and business scope continue to develop, forming an industrial chain integrating procurement, selection and smelting in Chenzhou, Hunan, forming another production base outside Yunnan, ensuring the company's sustainable development. In addition to distribution agencies in Kunming, Beijing, Shanghai and across the country, the company also has marketing companies in the United States and Germany. Currently, the company has 11 subsidiaries, 7 holding subsidiaries, and 2 wholly-owned subsidiaries.

The company has formed management advantages and excellent corporate culture with distinctive characteristics, and has a good social image, corporate reputation and financing channels. It has been successively awarded the honorary titles of "Yunnan Province Civilized Unit", "National User Satisfied Enterprise", "National Advanced Unit for Spiritual Civilization Construction", and "Top 100 Competitive Enterprises for Listed Companies".

Yunnan Tin Industry Co., Ltd. will contribute to the society with its strong strength, stable operation, advanced technology, exquisite craftsmanship, excellent quality, first-class performance and best service, realize the industry serving the country and create another China Tin tin. The glory of industry.