NanJing Research Institute of Surveying, Mapping & Geotechnical Investigation, Co. Ltd. provides surveying and mapping geographic information services in the People's Republic of China. It offers surveying and mapping technology and consulting services for planning, natural resource management, and urban and rural construction projects, as well as engineering surveying and mapping technical services for engineering construction projects. The company also provides geographic information system integration and related services in rail transit operation monitoring, pipeline detection, and intelligent landscape management. Additionally, it offers smart water management and garden integrated solutions, underground space systems, natural resource products, urban smart drainage monitoring and supervision, and intelligent monitoring and supervision of rail transit structure safety. The company was founded in 1991 and is based in Nanjing, the People's Republic of China.