The general business items are: Electronic products, mechanical and electrical products, communication technology products, weak electricity intelligent products, network products, monitoring products R & D and Sales; Domestic Trade; Domestic Trade; Import and Export Business, operating Goods Import and export, Technology Import and export; Software Development Services; Engaging in advertising, education and training (excluding subject training); Investment Consulting (excluding trust, securities, futures, insurance and other financial services), economic Information Consulting (excluding trust, securities, futures, insurance and other financial services); Business Management Consulting (excluding talent intermediary services). (except for projects that are prohibited by laws, administrative regulations or the State Council's decision and that require approval before registration), licensed business items are: Medical Supplies, non-medical daily protective masks, medical protective masks, medical eye masks, medical alcohol, protective clothing, rubber gloves, thermometer, forehead temperature gun, disinfectant, spray equipment, hand sanitizer, Labor supplies sales; Research and development and sales of first class medical instrument and second class medical instrument.