General Items: Sales of fire-fighting equipment; Manufacture of security equipment; Sales of security equipment; Manufacture of labor protection articles; Sales of labor protection articles; Manufacture of metal tools; Sales of metal tools; Sales of communication equipment; Manufacture of rubber products; Sales of rubber products; Manufacture of clothing; Manufacture of leather products; Conference and exhibition services; Manufacture of metal products for safety and fire protection; Processing of bamboo and wood debris; Metal surface treatment and heat treatment processing; Spraying processing; Sales of high-quality synthetic rubber; Manufacture of special equipment for lighting apparatus production; Manufacture of plastic products; Fire protection technical services; Research and development of mechanical equipment; Manufacture of general equipment (excluding manufacturing of special equipment); Manufacture of bamboo products; Sales of mechanical equipment; Repair of general equipment; Import and export of goods; Business training (excluding education training, vocational skill training and other training requiring approval). (Except for items subject to approval in accordance with the law, independently carry out business activities in accordance with the law with the business license. )