(a) the registration address of nanjing twinjing fire technology ltd. Is located in room a-03, located on the street of maybridge, located in nanjing city, and is represented by legal persons, including fire protection equipment and equipment, intelligent homes, environmentally friendly equipment, electrical equipment, electrical and electrical products, energy-saving products, instrumentation, optical and electrical integration equipment, mechanical parking plant equipment development, production, sale, installation, technical services; fire protection works, fire safety engineering works, installation of mechanical and electrical equipment, construction smart engineering, mine protection equipment installation works, heating works, environmental works, human protection works, transport equipment works, computer networks, communications engineering, network works, integrated cordworks, fire alarm system works, forest greening works, geotechnical works; design, installation, handlin...