The registration address of shenzhen city telecommunications standards and technical services ltd. Is located on the second floor of the e2 american electronics plant in the community rock road, no. 723 of boang city, shenzhen city. The registration authority is the shenzhen city market supervisory authority. The legal entity is cai hui-min and operates in the areas of technical services, technology development, technical advice, technology exchange, technology transfer and technology diffusion. (in addition to projects subject to legal authorization, the operation of electronics and electronics, chemical products, new energy products, automobile materials and parts, pre-packaged foods, metal materials and products, toys, children's products, textiles, clothing, footwear, decorations and technical services is carried out on an autonomous basis in accordance with the law。