Chifeng Yubang Mining Co., Ltd. ranks seventh in the world in silver ore reserves and the first in Asia. Currently, the proven resource ore reserves are 159 million tons, 18,200 tons of silver metal, 1.89 million tons of zinc metal, and 850,000 tons of lead metal. Since 2019, Guocheng Group has successively invested 1.5 billion yuan in acquisitions and technological transformation. It has obtained a mining license of 8.25 million tons per year. In the next three years, it will continue to invest 3 billion yuan in technical transformation and expansion of 8.25 million tons of annual mining and dressing. After the technical transformation is completed, it will become the largest single silver production mine in the world.