Shangyun Environment, operated by Beijing Shangyun Environment Co., Ltd., specializes in environmental impact assessment (EIA) models, technical support, data services, and digital tools for environmental professionals. Its offerings include EIA software for air-quality, risk, and noise assessments. EIAProA2018 supports models including AERMOD, AERSCREEN, SLAB, and AFTOX, while EIAProN2021 is adapted to the 2021 acoustic-environment guidelines and includes modules for road and railway sources, terrain processing, and results reporting. The company also provides consulting for air, environmental risk, noise, soil, and groundwater assessments, alongside environmental prediction models such as CHARM and CALPUFF View.

Its EIA Cloud Assistant platform and app bring together environmental, safety, and health regulations, reports, courses, organization information, and meteorological and environmental-quality data, as well as online calculation and assessment tools. The AI edition offers question answering, search, intelligent agents, and automated EIA document review. Shangyun also provides data interfaces and environmental media and education services. Its related offerings include ShangLIMS and a monitoring assistant app for environmental monitoring users.