Metal material sales, chemical productssales (excluding licensed chemicalproducts); Wire, cable business; Sales ofelectronic products; Hardware retail;Sales of building materials; Machineryand equipment sales; Import and exportof goods; Technology import and export;Photovoltaic equipment and componentssales: Metal materials manufacturing,metal tools sales; Sales of new metalfunctional materials; Constructiondecoration materials sales; Fastenermanufacturing; Machine tool functionalparts and accessories sales; Packagingmaterials and products sales; Sales oflabor protection articles; Office suppliessales; Instrument sales; Outdoor sales;Sales of power facilities and equipment;Metal packaging containers andmaterials sales; Mechanical parts, partssales; Nonmetallic mineral productsmanufacturing; Sales of lightweightbuilding materials; Construction metalaccessories sales; Generator andgenerator set sales; Sales of electroniccomponents and electromechanicalcomponents; Sales of power electroniccomponents; Non-metallic minerals andproducts sales; Metal ore sales. (Exceptfor projects subject to approvalaccording to law, independently carryout business activities according to lawwith business license)