Computer R&D, technical consulting, technical services for computer hardware and software; R&D and sales of consumer electronics, set-top boxes, multimedia players, wireless intelligent electronic products, smart homes, electronic components, security products, remote controls, and mobile computer accessories; Business (involving pre-approval administrative licenses, it must be acquired before the pre-approval administrative license documents); Domestic trade; Import and export business of goods and technology. (excluding the items required to be approved before registration in laws, administrative regulations, and state council decisions)