Manufacturing of distribution switch control equipment; sales of distribution switch control equipment; manufacturing of electrical accessories; sales of electrical accessories; manufacturing of hardware products; wholesale of hardware products; manufacturing of non-ferrous metal alloys; sales of non-ferrous metal alloys; manufacturing of plastic products; sales of plastic products; manufacturing of rubber products; sales of rubber products Mechanical and electrical equipment manufacturing; Mechanical and electrical equipment sales; Electrical equipment sales; Electrical equipment manufacturing; Electrical equipment sales; Wire and cable operations; Motorcycle spare parts manufacturing; Motorcycle and spare parts retail; Automobile spare parts wholesale; Marine supporting equipment manufacturing; Goods import and export; Technology import and export.