Tongguan Gold Group Limited is an investment holding company engaged in gold mining operations in China. Its activities include the sale of mine-produced gold such as gold concentrate and gold bullion, as well as gold exploration, mining, processing, smelting, recycling, and the refining and sale of gold bullion. The company was formerly known as China Mining Resources Group Limited and changed its name to Tongguan Gold Group Limited in April 2018. It is headquartered in Wan Chai, Hong Kong.