Shenzhen Lida Ann Electronic Technology Co., Ltd.'s general business items are: technical development and sales of electronic products, electronic product accessories, electronic equipment and accessories, automotive electronics, electronic components, computer software and hardware; domestic trade; goods and technology Import and export; technical development and sales of office supplies; corporate management planning; information consulting (excluding talent intermediary services, securities, futures, insurance, financial services and other restricted items); industrial product design; biological product technology development.