Shenzhen city avi audio-visual ltd., with its registered address in block a, located in the phoenix district industrial area of the phoenix commune in the western town of boang, shenzhen city, is the shenzhen city market supervisory authority, represented by a legal person, wang liping, operating in the areas of marketing of projecting equipment and surrounding products, wires, internal trade, import and export of goods and technology. (except for items subject to approval before registration by law, administrative regulations, state council decisions)