GDMM is specially entitled to import various kinds of steel products and non-ferrous metals, and its main export commodities are: cement, sand, stone, building materials, ferrous metals and their products, non-ferrous metals, non-metallic minerals, hardware, silver plated ware and ornaments, metal casting, plumbing fittings, arts & handicrafts, etc. At the same time it also deals in the import and export of textiles, light industrial products, machinery, chemicals, electrical products, equipment & instrument, recreation and sports products, etc. It also operates inland trade, factory production and processing, property lease, storage and transportation, joint venture, cooperative production, import and export agency, barter trade, processing with clients’ designs, samples or materials, compensation trade, re-export trade, etc.