The registration address of chengdu chang shing electronics technology ltd. Is located at no. 777, north of hong kong avenue, zongzhou city, with the registration authority being the zongzhou city market supervision authority, and is represented by the legal person wang chang army. The activities include general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion; transformers, voltage and sensor manufacturing; electrical electronics device manufacturing; mechanical parts, parts and components processing; mechanical parts, parts and components sales; electrical and mechanical equipment sales; and retail electronics (which operate autonomously on the basis of a legal licence, except for projects that are subject to legal authorization)。