Founded in 1883, Yunnan Tin Group (Holding) Co., Ltd. (hereinafter referred to as YTG) is the birthplace of China's tin industry, with a vertical industrial pattern integrating exploration, mining, dressing, smelting, downstream processing of such nonferrous metal resources as tin, zinc, copper and indium, as well as R&D and trade of new materials.Both of our tin and indium reserves rank first in the world, which have been widely used in aerospace, 5G, photovoltaic cells, semiconductor chips and other fields. At present, YTG ranks 458^th in China's Top 500 Enterprises in 2024 and 240^th in China's Top 500 Manufacturing Enterprises.

As the world's largest tin production base and China's largest tin downstream processing base, YTG has the longest and most complete tin industrial chain in the world, with tin production and sales taking the first place globally since 2005, accounting for about a quarter of the domestic market and half of the global market.

YTG is a member of the board of directors of ITA, vice president unit of China Nonferrous Metals Industry Association and president unit of Tin Branch of the Association. YTG has established global resource procurement, product sales and trade organizations in the United States, Germany, Hong Kong, Australia and other overseas regions.