Brief introduction of Yunnan Chihong Zinc Germanium Co., Ltd.

Yunnan Chihong Zinc Germanium Co., Ltd. was established on July, 2000 18, and became an A-share listed company in China stock market on April 20th, 2004 (A-share code is 600497). It is one of the top 100 nonferrous metal smelting enterprises in China. The first enterprise in Yunnan Province was listed as the first batch of circular economy pilot units in China. The company has more than 7,600 employees, with an annual comprehensive production capacity of 600,000 tons of ore, 50,000 tons of zinc products160,000 tons of lead products, 260,000 tons of germanium products 10 tons of sulfuric acid and 0/20 tons of silver.