Rare Earth Magnesium Technology Group Holdings Limited is an investment holding company that develops, manufactures, and sells magnesium products in Mainland China. It operates a dolomite mine in Baishan City, Jilin Province, and supplies magnesium alloy products for aerospace, military, transportation, and high-tech industries. The company was formerly known as Group Sense (International) Limited and changed its name to Rare Earth Magnesium Technology Group Holdings Limited in July 2018. Incorporated in 1992, it is based in Tsim Sha Tsui, Hong Kong.