Technology development, transfer, consultation, and service in the fields of electronic technology and computer technology; Computer system integration services; Sales: Radiation detection equipment, environmental monitoring equipment, instruments and meters, communication equipment, computer software and hardware and auxiliary equipment, electronic equipment, electronic products, mechanical equipment, environmental protection equipment, hardware and electrical equipment, labor protection supplies, and provide maintenance services for the above related equipment. (Projects that require approval according to law can only be operated with the approval of relevant departments)