Shenzhen shenzhen precision instruments ltd. Has a registered address at 16d-e33, located at b square, centre b, jihua road 69, bouji street, lungang district, shenzhen city, and is registered with the shenzhen market supervision authority, with legal representatives and includes mechanical equipment, electronics, detection equipment, instrumentation instruments, the development of automation equipment, technical services, technical advice; the sale of detection equipment, instrumentation forms, mechanical equipment, electronics products; and domestic trade, import and export of goods and technologies (except for projects prohibited by laws, administrative regulations, and decisions of the state council, restricted projects for which permission is required). (in the case of a pre-licensed administrative licence, the pre-licensed administrative authorization must be obtained for the operation of the instrument instrument; software development; software sales; technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion; maintenance of electronic, mechanical equipment (excluding special equipment); and rental services (excluding licensed rental services). Maintenance of mechanical equipment, detection equipment, instrumentation instruments (in addition to legally approved projects, operating on an autonomous basis under an operating licence). Testing services. (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)