The registration address of shenzhen city smart electronics ltd. Is located in the city of shenzhen, located in the city of shenzhen, on the street of shenzhen city, in the city of shenzhen, in the building no. 211d of company no. 2 of the shenzhen road, registered as the market supervision authority of shenzhen city. The legal person's representative is involved in high-prevalence operations, including public safety inspection equipment, mobile phone and electronic-product detection systems, metal and dangerous goods detection products, safety protection equipment, classified equipment, police equipment, non-linear nodes detection equipment, mobile phone detection doors, security screening doors, security machines, artificial intelligence, environmental safety tests, smart campuses and study sites, research and development, design, marketing and technical advice on technology for material networking; computer network software and hardware, biotechnologies, electronic products, identification systems, surveillance of alarm products, development and sale of fire-fighting products; anti-bicide equipment, masks, protective clothing, alcohol, rubber gloves, thermometers, anti-drugs, water, medical equipment type ii, research and marketing; rental and repair and repair, domestic trade, software sales; software development; maintenance of computers and office equipment; rental services for office equipment; sale of security equipment; rental of mechanical equipment; sale of electronic products; sale of communications equipment; repair of communications equipment; sale of smart equipment; sale of smart household consumption equipment; sale of digital video surveillance systems; sale of network equipment; sale of information security equipment; rental services (other than licensed rental services); retailing of computer hardware and software and ancillary equipment; distribution of computer hardware and equipment; distribution of electric cable and cable operations; sale of cables; development of household appliances; sale of spare parts for household appliances; sale of electrical appliances; wholesale distribution of cooking foods and groceries; development of cooking equipment and groceries; sale of lighting equipment; retail of cooking equipment and groceries; retail sale of cooking equipment and groceries; sale of gas, liquid separation and pure equipment; sale of refrigeration equipment; sale of electrical and heat food processing equipment; sale of electrical and cable cables; sale of tyres; provision of consultancy services in connection with the rental of electrical and communications equipment; provision of information technology services; provision of information technology rental and communication services; provision of information technology services for the rental and distribution of equipment (except for legally approved projects, operating on an autonomous basis under a licence); wholesale publication; retail publication. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)