Sinomine Resource Group Co., Ltd. engages in the development and utilization of lithium battery new energy raw materials, rare light metals, and solid minerals in China and internationally. The company engages in the mining of lithium, cesium, and rubidium; development of hard rock lithium mines; processing of lithium concentrates; acquisition and exploration of mineral rights; and provision of mining property development and geological exploration technical services. It also provides lithium compounds comprising battery-grade lithium hydroxide, carbonate, and fluoride; cesium salt products consisting of cesium sulfate, carbonate, hydroxide, iodide, fluoroaluminate, fluoride, and bromide products; and rubidium salt products, such as rubidium carbonate and nitrate products.