The registered address of tianjin mining electronics ltd. Is located at no. 9 in the zinnan economic development area (east region) of zinnan, tianjin city. The registration authority is the market supervision authority of zinnan district, tianjin city. The legal entity is represented by hu chi, and operates on general items: electronic device manufacturing; retail distribution of electronic devices; wholesale distribution of electronic devices; manufacture of rubber products; sale of rubber products; technical services, technical development, technical advice, exchange of technology, technology transfer, technology promotion; retail distribution of computer software and hardware and assistive equipment; sale of electronic products; sale of office equipment; sale of office equipment; sale of office equipment; distribution of office equipment; distribution of office supplies; manufacture of electronic equipment and other electronic equipment; sale of electrical equipment; sale of electronic devices and mechanical components; sale of electronic devices and electronic equipment; sale of communications equipment; development of spare parts for vehicles; manufacture of spare parts and accessories for vehicles; retailing of spare parts for vehicles; retailing of medical masks; distribution of medical and medical equipment; distribution of protective supplies for medical personnel; retailing of medical personnel; sale of electrical equipment; and electronic equipment (in addition to projects subject to authorization under the law, the operation is carried out autonomously under a licence). Licensing projects: production of protective supplies for medical personnel (type ii medical devices); production of medical masks; import and export of goods; import and export of technology; international carriage of goods by road. (a project subject to approval by law may be carried out only with the approval of the relevant department, depending on the document or licence approved by the relevant department)。