The business scale of DJM divided into three parts, which are exports, imports and international business consulting. Exports include various castings and forgings, machined parts, pumps, valves, pipe fittings and bearings, mining equipments, cement equipments, petroleum equipments and metallurgy equipments and construction installation services in the relevant industry above as well. Imports involve different lab equipments, for example magnetic stirrer, centrifugation, Liquid handling and etc.