Guangdong Mingzhu Group Co. Ltd. is mainly engaged in the manufacture and installation of valves, in trading, and in the manufacture of power generation equipment as well as the production of pharmaceuticals and wine. The company is represented on the board of the General Machinery Valve Association and operates one of the largest valve production facilities in China. Guangdong Mingzhu's products are extensively used in industries such as: aeronautics, machinery, petroleum, chemicals, food, textiles, pharmaceuticals, aerospace and hydroelectric power. The company's products are sold under the brand 'Mingzhu'.

In addition to its principal business of valve manufacturing, Guangdong Mingzhu has acquired companies such as Guangdong Mingzhu Pharmaceutical, Guangdong Mingzhu and Pearl Hong Wine, thus diversifying its business structure.