Special equipment manufacturing, Electric heating food processing equipment production, Special equipment design, Road motor vehicle production, Pressure cooker production, Tourism business. General projects: Special equipment sales, Kitchen and bathroom utensils and daily necessities research and development, Electric heating food processing equipment sales, Intelligent basic manufacturing equipment sales, Intelligent basic manufacturing equipment manufacturing, Vending machine sales, Commercial, catering and service special equipment manufacturing, Commercial, catering and service special equipment sales, Special equipment manufacturing (excluding licensed special equipment manufacturing), General equipment manufacturing (excluding special equipment manufacturing), Safety and fire-fighting metal product manufacturing, Metal product sales, Metal product research and development, Security equipment manufacturing, Security equipment sales, Metal packaging containers and materials manufacturing, Metal packaging containers and materials sales, Container manufacturing, Container sales, Environmental protection special equipment manufacturing, Environmental protection special equipment sales, Agricultural and sideline food processing special equipment manufacturing, Agricultural and sideline food processing special equipment sales, Refrigeration and air conditioning equipment manufacturing, Refrigeration and air conditioning equipment sales, Metal daily necessities manufacturing, Metal structure sales, Non-electric household appliance manufacturing, Non-electric household appliance sales, Gas appliance production, Household appliance manufacturing, Household appliance sales, Optical instrument manufacturing, Optical instrument sales, Industrial textile products manufacturing, Industrial textile products sales, Arts and crafts and ceremonial supplies manufacturing (excluding ivory and its products), Arts and crafts and ceremonial supplies sales (excluding ivory and its products), Auto parts and accessories manufacturing, Mechanical parts and components processing, Mechanical parts and components sales, Computer software, hardware and peripheral equipment manufacturing, Software development, Software sales, Plastic product manufacturing, Plastic product sales, Rubber product manufacturing, Rubber product sales, Plastic packaging boxes and containers manufacturing, Class II medical device sales, Electrical equipment sales, Electronic special equipment sales, Goods import and export, Professional design services, Cultural equipment rental, Motor vehicle repair and maintenance, Housing leasing, Non-residential real estate leasing