NanJing Research Institute of Surveying, Mapping & Geotechnical Investigation, Co.Ltd provides surveying and mapping services in China. The company is involved in various activities, including surveying and mapping geographic information, survey and geotechnical design, three-dimensional urban planning and design, smart city system integration, urban and rural planning, municipal construction, and environmental protection. It also provides topography, pipeline, and urban construction facility survey, as well as geological exploration design and precision measurement services; and offers smart drainage and garden systems, underground space systems, and subway operation monitoring solutions. The company is based in Nanjing, China.