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 com...