Furniture manufacturing; Furniture spare parts production; Safety and fire protection metal product manufacturing; Power transmission, distribution and control equipment manufacturing; Daily necessities sales; Door and window manufacturing and processing; Furniture installation and maintenance services; Furniture sales; Metal product sales; Distribution switch control equipment sales; Environmental protection special equipment sales; Metal structure sales; Transportation and public administration metal signage manufacturing; Transportation and public administration signage sales; Teaching models and teaching aids sales; Daily household appliances retail; Household supplies sales; Kitchenware, sanitary ware and daily sundries wholesale; Advanced electricity Sales of electronic devices; sales of paper products; sales of instruments and meters; sales of lighting appliances; sales of cameras and equipment; sales of security equipment; sales of labor protection supplies; sales of communication equipment; sales of office equipment; sales of office equipment consumables; sales of plastic products; retail of hardware products; sales of building materials; sales of building decoration materials; sales of needle textiles; sales of rubber products; sales of daily glass products; loading and unloading; retail of sporting goods and equipment; wholesale of auto parts; sales of first-class medical equipment; sales of toys; and advertising production.