Changchun Gold Research Institute Co., Ltd.

A wholly-owned subsidiary of China National Gold Group and the only national-level scientific research institution in China dedicated to the R&D of fundamental theories and engineering technologies for the gold industry; its business covers cyanide-containing wastewater/cyanide-containing waste residue treatment (comprehensive treatment system for cyanide-containing slurry, treatment system for medium- and low-concentration refractory cyanide-containing wastewater, patent CN222989951U), manufacturing of special environmental protection equipment, and environmental protection monitoring.

Business scope: cyanide-containing wastewater.

Established in 1992.

Employees: 237.

Headquartered in Jilin, China.