NanJing Research Institute of Surveying, Mapping & Geotechnical Investigation,Co.Ltd. provides surveying and mapping geographic information services 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; and engineering surveying and mapping technical services for engineering construction projects. The company also provides geographical information-based information system integration and related services in the fields of rail transit operation monitoring, pipeline detection, and intelligent landscape management. In addition, it offers smart water management and garden integrated solution, underground space system, natural resource product, 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.