The registration address of shenzhen city star river union digital technology ltd. Is located at no. 4 in the community of yongshan industrial zheng village, south bay street, shenzhen city. The registration authority is the shenzhen market supervision authority, represented by a legal person, and covers general operations such as the development of digital products, door-to-door maintenance and purchase; maintenance and repair of computers, office space and printers; and domestic trade, import and export of goods and technology. Conference and exhibition services (with the exception of laws, administrative regulations, projects which are prohibited by the decision of the state council, restricted projects must be licensed before they can be operated) (with the approval of the relevant department for exhibitions abroad). (except for projects subject to legal authorization, operating on an autonomous basis with a business licence)。