Electronic science and technology ltd., henanbo, located on the 12th floor of building 8 of zhengzhou city, located on zhengzhou city, located on zheng city, located on the 8th floor of zheng tong road, with legal representatives li dong-ling; general projects: sale of electronic products; sale of displays; information technology consultancy services; software development; software sales; information system integration services; integration of smart control systems; internet sales (except for goods for which licences are required); rental of special equipment; sale of refrigeration, air-conditioning equipment; sale of electrical appliances; sale of office equipment; sale of office supplies; sale of specialized equipment for teaching purposes; distribution of teaching models and teaching aids; retail sales of sports and equipment; sale of light communications equipment; sale of integrated circuits; sale of sound equipment; installation of security equipment; internet security service...