In shenzhen city, tacontung science and technology ltd. Is registered at the community building b23, located at 8nd street street street in longhua, shenzhen city, with the registration office of long wah, representing zhou sanshan, and has a general scope of operation: testing equipment and accessories, instrumentation instruments, hardware and hardware, computer hardware and software, engineering and control equipment, electronics, communications products, electronic devices, automation equipment and related software products; domestic trade; import and export of goods and technology. (excepting scrap acquisitions and legal, administrative and state council decisions requiring approval prior to registration); repair of general-purpose equipment; repair of specialized equipment; repair of electrical equipment; maintenance of electronic, mechanical equipment (excluding special equipment). (in addition to the projects subject to legal authorization, the activities are carried out autonomously and in accordance with the legal licence) and the licensed projects are: