The registered address of Wuhan Zero Hair Technology Co., Ltd. is Room 19, 12th Floor, Building 2, No. 139 Hanyang Avenue, Hanyang District, Wuhan City, Hubei Province. The registration authority is the Market Supervision Administration of Hanyang District, Wuhan City, and the legal representative is Cao Qianyao. The business scope includes general projects: Internet of Things technology services; Sales of firefighting equipment; Fire technology services; Sales of specialized chemical products (excluding hazardous chemicals); Technical services for on-site assessment of fire safety acceptance in construction projects; Sales of metal products; Sales of pumps and vacuum equipment; Sales of fans and blowers; Sales of special equipment; Sales of security equipment; Sales of metal tools; Design and construction services for security technology prevention systems; Security system monitoring service; Sales of Class I medical devices; Sales of Class II medical devices; Sales of adult sex toys (excluding drugs and medical devices); Second class medical device leasing; The first type of medical device leasing; Retail of protective equipment for medical staff; Domestic trade agency; Wholesale of protective equipment for medical staff; Retail of medical masks; Wholesale of medical masks; Software development; Instrument and meter repair; Sales of instruments and meters; Sales of specialized teaching instruments; Sales of drawing, calculation, and measuring instruments; Sales of optical instruments; Sales of supply instruments and meters; Sales of electronic measuring instruments; Sales of electrical instruments and meters; Sales of drug testing instruments; Sales of experimental analytical instruments; Sales of glassware; Specialized equipment repair; Sales of synthetic materials; Rental services (excluding licensed rental services); Electrical equipment repair; General equipment repair; Sales of mechanical equipment; Sales of electrical equipment; Wholesale of computer software, hardware, and auxiliary equipment; Sales of communication equipment; Sales of office equipment; Sales of household audiovisual equipment; Sales of electric food processing equipment; Internet equipment sales; Sales of wearable smart devices; Sales of slides and projection equipment; Sales of photocopying and offset printing equipment; Sales of electronic components and electromechanical equipment; Sales of calculator equipment; Sales of office equipment and consumables; Sales of information security equipment; Sales of network equipment; Sales of IoT devices; Sales of food additives; Sales of daily chemical products; Internet security services; Development of network and information security software; Wholesale of electronic components; Sales of lighting fixtures; Internet of Things application services; Information technology consulting services; Business training (excluding licensed training such as education and vocational skills training); Import and export of goods; Technology import and export; Import and export agency; Food import and export; Sales of chemical products (excluding licensed chemical products). (Except for licensed businesses, it is allowed to independently operate projects that are not prohibited or restricted by laws and regulations in accordance with the law)