Shenzhen city shangka smart development ltd. Is registered at plant no. 1 in shenzhen city, sakada street, no. 2, shenzhen city. It is registered with the shenzhen city market supervision authority and is represented by chen xiaoxia. It operates under the following general lines: smart ic cards, electronic tags, computer software development and sale; technology extension services; advertising and production; agency, publication, website production; domestic trade; and goods and technology import and export