TGS International Ltd., together with its subsidiaries, engages in the exploration, mining, processing, and sale of fluorite in Mongolia. It holds interests in the Altan Ovoo project that covers an area of 39.35 hectares located in Uulbayan soum, Sukhbaatar province; Oosmonskogo 1 project, which covers an area of 98.37 hectares located in Bayan-Ovoo soum, Khentii province; and the Oosmonskogo 2 project that covers an area of 300.96 hectares located in Mongolia. The company is based in Sha Tin, Hong Kong.