The registration address of changzhou electronic science and technology ltd. Is located at the beijing intellectual industries park, no. 45, new road, changzhou city chung building, 2 202 units, with the registration authority being the changzhou city bell building district administration office for political affairs services, with legal representatives being liu trilan operating in the fields of electronic metrware, instrumentation, electrical equipment, computer accessories and software development; computer software and hardware and accessories, type i medical equipment, labour insurance supplies, hardware and power delivery, household appliances, solar energy equipment, environmental protection equipment, electrical tools, ship equipment and accessories, hardware tools and electronic equipment; installation and maintenance of electronic testing equipment, instrumentation forms (other than metering devices); commercial consultancy (other than investment consulting); design, production of graphics, exhibition services; import and export operations for self-employed and agent goods and technologies, with the exception of goods and technology for which the state limits the operation of enterprises or prohibits imports and exports. Category ii medical equipment sales; retail distribution of medical masks; wholesale distribution of medical masks; sale of daily masks (non-medical); retail distribution of protective supplies for medical personnel; wholesale distribution of protective supplies for medical personnel; sale of labour protection supplies; sale of network equipment; network technical services; sale of communications equipment; sale of office supplies; sale of integrated circuits; development of intelligent robots; research and development of mechanical equipment (project subject to approval by law and business activity with the approval of the relevant department)