Manufacture of metal furniture. Manufacture of metal products for safety and fire protection; Manufacture of doors and windows; Manufacture of furniture; Manufacture of teaching models and teaching aids; Manufacture of sports goods and equipment; Manufacture of metal packaging containers and materials; Manufacture of hand carts and animal-drawn vehicles; Manufacture of metal structures; Manufacture of containers; Manufacture of power transmission and distribution control equipment; Manufacture of other general instruments; Manufacture of special equipment (excluding licensed special equipment); Manufacture of material handling equipment; Production of furniture parts; Manufacture of metal fittings for construction; Sales of metal products; Sales of office supplies; Sales of furniture; Sales of furniture parts; Sales of commercial password products; Sales of doors and windows; Sales of material handling equipment; Sales of intelligent storage equipment; Sales of containers; Sales of glass fiber reinforced plastic products; Sales of technical glass products; Sales of Class I medical devices; Sales of teaching models and teaching aids; Sales of plastic products; Sales of paper products; Sales of household items; Sales of electronic products; Retail of household appliances; Sales of refrigeration and air conditioning equipment; Sales of mechanical equipment; Retail of computer software and hardware and auxiliary equipment; Sales of software; Sales of network equipment; Sales of digital video surveillance systems; Sales of IoT equipment; Sales of internet equipment; Internet sales (excluding goods requiring sales permits); Information system integration services; Software development; R&D of metal products; Repair of metal products; Repair of daily-use products; Loading and unloading. (Excluding items restricted or prohibited by the state.)