Brief introduction of Yunnan Tin Industry Co., Ltd.

Yunnan Tin Industry Group (Holdings) Co., Ltd. (hereinafter referred to as Yunxi) is a world-famous tin production and processing base, the longest and most comprehensive enterprise in the world tin production industry, ranking first in the world tin industry. Yunxi has a long history, with a history of 120 years since its establishment. It is the birthplace of China's tin industry, the "leader" of China's tin industry, the leading backbone enterprise of China's tin industry, the cradle of Yunnan's industrial civilization, 520 national key enterprises and one of the top ten enterprise groups cultivated in Yunnan Province. It represents the leading level of China tin industry and has strong international competitiveness.