China Gold is a state-owned enterprise, and Royal Jewellery is only a personal brand. They have nothing to do but sell gold. China Gold is mainly engaged in the survey and design, resource development, product production and sales and general contracting of non-ferrous metals such as gold, silver, copper and molybdenum. It is a comprehensive large-scale mining industry integrating geological exploration, mining, mineral processing and smelting, product refining, processing and sales, scientific research and development, and engineering design and construction.