Yunnan Tin Co., Ltd. (hereinafter referred to as the Company) was restructured and established in 1998. Its predecessor can be traced back to the Gejiu Factory Management Bureau established by the Qing Dynasty (1883) with official funds. It has a history of 140 years. In February 2000, the company was listed on the Shenzhen Stock Exchange ( Stock code: 000960). It is the only A-share listed company with a complete tin industry chain.

The company has a full industrial chain and supply chain integration industry structure of tin, indium, zinc, copper and other non-ferrous metals from resources exploring, concentrating, smelting, deep processing to new material R&D, trading, etc. The Company holds the largest Tin and indium reserves in the world, with the largest tin production and processing base in China, and the world's longest and most complete tin industry chain, with a capacity of 80,000 tons of tin smelting, 41,000 tons of tin profiles, 24,000 tons of tin chemicals, 125,000 tons of cathode copper, 100,000 tons of zinc smelting, and 60 tons of indium smelting.

The Company is the Authorized Economic Operator. Itsmainproducts include tin ingots, cathode copper, zinc ingots, indium ingots, tin profiles and tin chemical products. Among them, the dominant products such as tin ingots, indium ingots, and tin and indium deep-processed products have unique market and brand advantages. The "YT" trademark registered in the London Metal Exchange is an international famous brand.