The registered address of chengdu crystal technology ltd. Is located at 166 segawa street, chengdu. It is located at the 6th floor of the 1st floor, located at the 166th floor of chengdu city, with the registration authority of chengdu city market supervisory authority. The legal entity is represented by tangbo and is operating in the development of optical equipment and analytical instruments; software development; information systems integration services; network engineering design and construction (e. G. On a qualified licence basis); import and export of goods and technology; sale of: integrated circuits, electronics, household appliances, lighting, lamps, teaching equipment, sound equipment, office equipment and consumables, stationery, instrumentation, glass products, chemical materials and products (without dangerous chemicals), metal products, hardware, hardware, cable, electronics, rubber products, specialized equipment for environmental protection, medical equipment i, computer hardware and support equipment, office supplies; sale of mechanical equipment and consumables and provision of technical services; packaging services; sale of semiconductor parts, moulds, communications equipment and accessories (without dangerous chemicals), metal products, electrical cables, technology development, technology transfer and technical advice. (an approved project is required by law and an approval from the relevant department is required to carry out the business)。