Listed companies with the most germanium mines

Germanium industry in Yunnan. In the information table of listed companies of germanium mine, the listed company with the most germanium mine is Yunnan Germanium Industry, which has rich and high-quality germanium mine resources. The production and sales volume of germanium products ranks first in China, and it is the largest producer and supplier of germanium series products in China. A listed company is a specific part of a company limited by shares.