Manufacturing of lighting fixtures; manufacturing of special equipment for the production of lighting fixtures; manufacturing of special equipment (excluding manufacturing of licensed professional equipment); manufacturing of mechanical and electrical equipment; manufacturing of electrical equipment; manufacturing of power electronic components; manufacturing of electronic components; manufacturing of electrical signaling equipment and devices; business of wires and cables; manufacturing of distribution switch control equipment; refrigeration and air conditioning Equipment manufacturing; Household appliance manufacturing; Household product sales; Hardware product manufacturing; Plastic product manufacturing; Computer software, hardware and peripheral equipment manufacturing; Automobile parts wholesale; Water turbine and auxiliary machinery manufacturing; Mold manufacturing; Construction material sales; Chemical product production (excluding licensed chemical products); Audio equipment manufacturing; Stationery manufacturing; Office use Sales of products; manufacturing of cameras and equipment; sales of refrigeration and air-conditioning equipment; sales of metal materials; manufacturing of motorcycle parts and accessories; sales of electrical instruments and meters; manufacturing of communication equipment; sales of communication equipment; sales of cork products; sales of first-class medical equipment; manufacturing of daily necessities; retail of clothing and apparel; wholesale of shoes and hats; manufacturing of metal tools; daily necessities Sales; sales of watches and timing instruments; sales of glasses (excluding contact lenses); sales of gifts and flowers; sales of needlework and textiles; sales of arts and crafts and ceremonial items (except ivory and its products); sales of toys; sales of special equipment for pulping and papermaking; Internet sales (except for the sale of goods requiring licenses); import and export of goods; import and export of technology.