Main Business Scope of the Company:

General Projects: Sales of instruments and meters; Manufacturing of instruments and meters; Manufacturing of general parts and components; Manufacturing of special equipment (excluding licensed professional equipment manufacturing); Manufacturing of general equipment (excluding special equipment manufacturing); Manufacturing of mechanical and electrical equipment; Manufacturing of power distribution switch control equipment; Manufacturing of security equipment; Manufacturing of photovoltaic equipment and components; Manufacturing of video and audio recording/reproducing equipment; Research and development of mechanical equipment; Sales of mechanical equipment; Sales of special equipment; Sales of special equipment for oil drilling and production; Retail of hardware products; Sales of mechanical and electrical equipment; Sales of mechanical parts and components; Sales of daily sundries; Retail of electronic components; Sales of electronic products; Sales of optical communication equipment; Sales of household appliances; Sales of communication equipment; Sales of electrical equipment; Sales of office supplies; Sales of building materials; Retail of auto parts; Sales of lighting fixtures; Retail of computer software, hardware and auxiliary equipment; Sales of photovoltaic equipment and components; Sales of security equipment; Sales of audio equipment; Manufacturing of audio equipment; Sales of power distribution switch control equipment; Sales of magnetic materials; Retail of kitchenware, sanitary ware and daily sundries; Sales of textiles and knitwear; Technical services, technical development, technical consultation, technical exchange, technology transfer and technology promotion; Technical services for oil and natural gas; Information system integration services; Software development; Installation services of general mechanical equipment; Repair of special equipment; Repair of general equipment; Repair of electrical equipment; Repair of communication equipment; Repair of instruments and meters; Repair of metal products; Repair of daily products; Repair of household appliances; Maintenance of computers and office equipment; Import and export of goods; Domestic freight forwarding; General cargo warehousing services (excluding projects requiring license approval such as hazardous chemicals); Information technology consulting services; Engineering and technology research and experimental development; New material technology promotion services.