Yunnan Chihong Zinc & Germanium Co., Ltd.: Global Supply Leader
Yunnan Chihong Zinc & Germanium Co., Ltd. (SSE: 600497) is an industry heavyweight operating as one of the largest integrated producers of germanium, zinc, and lead globally. Headquartered in China, the company controls extensive reserves of high-grade zinc-germanium polymetallic deposits, establishing it as a primary pillar of the international critical minerals market.
Integrated Mining & Production Capabilities
Unlike processing facilities that rely exclusively on third-party raw materials, Yunnan Chihong operates a vertically integrated model spanning exploration, extraction, smelting, and advanced chemical refinement.
- Primary Concentrates: Recovers high-grade germanium as a byproduct during large-scale zinc extraction.
- Chemical Synthesis: Produces high-purity Germanium Dioxide ($\text{GeO}_2$), essential for optical lenses and polyethylene terephthalate (PET) catalysts.
- Single-Crystal Products: Refines raw germanium into single-crystal ingots used directly in advanced optical components and fiber optics.