The registration address of shenzhen city's haired zhen science and technology ltd. Is located on the southern union community punda road 162 and no. 164 219 on the yonggan street in shenzhen city. The registration authority is the shenzhen market supervision authority, which operates on behalf of legal persons in order to pay for space objects and covers general operating projects: sale of office equipment consumables; sale of ink (excluding dangerous chemicals); industrial design services; technical services, technology development, technical advice, technology exchange, technology transfer and technology promotion. Import/export of goods; import/export of technology. (ii) licensing of projects (in addition to those subject to legal authorization, the operation of which is carried out autonomously under a licence): manufacture of printing equipment. (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)