Yunnan Tin Co., Ltd. (hereinafter referred to as "the Company") is a subsidiary controlled by Yunnan Tin Group Co., Ltd. and the only listed company in China's tin industry. It is the largest tin production, processing, and export base in China. Since 2005, the company's tin metal production has ranked first globally. In February 2000, "Yunnan Tin" A-shares were listed on the Shenzhen Stock Exchange with the stock code: 000960. Since its listing, the company has continuously expanded its production scale and asset size. It currently has an annual production capacity of 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 RMB 1.634 billion in 1999 to RMB 7.401 billion in 2009. 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, among more than 1,470 varieties across over 40 product series. The flagship product, "Yunxi Brand" refined tin, is a "China Famous Brand Product" and a national quality inspection-exempt product. The company's "Yunxi Brand YT" trademark is a "China Well-Known Trademark" and an internationally recognized brand. The company's products hold an 18.5% share in the international market and approximately 40.2% of the domestic market share.