Hardware product manufacturing; household product manufacturing; furniture accessory production; metal daily necessities manufacturing; building decoration, plumbing pipe fittings and other metal products for construction manufacturing; plastic product manufacturing; non-ferrous metal alloy manufacturing; general equipment manufacturing (excluding special equipment manufacturing); lighting fixture manufacturing; hardware product wholesale; kitchen, bathroom and daily necessities wholesale; daily necessities sales; furniture accessory sales; building decoration material sales; household product sales; domestic trade agency; non-residential real estate leasing; hardware product R&D; metal product R&D; kitchen, bathroom and daily necessities R&D; new material technology R&D; new material technology promotion services; investment activities with自有 funds; road freight transport for vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods); import and export of goods; technology import and export.