The shenzhen chart states that the registered address of smart network technology ltd. Is located at the 18th zhuongshan mount road complex in the long wave street neighbourhood of shenzhen city, located in building 806, and that the registration authority is the ronghua regulatory authority of the shenzhen market supervision authority, representing hu bin, which operates in the areas of computer software and hardware technology development, marketing, technical advice; web design and related information advice; network technology development; electronic commerce; domestic trade; and import and export of goods and technology. • advertising。