Sanguikou Lead-Zinc Mine is one of the largest lead-zinc underground mines in China with the lowest grades. The ores are refractory and buried deep underground. The project carried out mine exploration and research on mineral processing, ore loss and dilution, production scheduling, etc. In 2010, it won a Second Prize in Exploration from the China Nonferrous Metals Industry Association(CNMIA). In 2020, it won a Second Prize in Scientific and Technological Advancement from CNMIA. In 2021, it was given First Prize in Scientific and Technological Advancement by the China Gold Association.
Zijin Mining acquired a 95% interest in the mine through multiple transactions since 2005.
The project follows a local employment strategy, with 85% of its employees being local residents. It maintains a strict approach to compliance, safety, and environmental protection, striving to build a green, eco-friendly mine. The project actively fulfills its social responsibilities by engaging in biodiversity conservation projects, preserving local cultural heritage, constructing a beef cattle management facility, and maintaining community roads. It has been recognized as a national high-tech company, a “National Worker Pioneer”, and a “Green Plant” in Inner Mongolia.