Based on self-developed core technologies and products such as mass spectrometry, chromatography and spectrum, Expec Technology innovates various application modes such as automatic monitoring, mobile monitoring, and online monitoring, providing a three-in-one comprehensive solution of “laboratory monitoring, mobile monitoring and online monitoring” for water ecological environment supervision, which comprehensively improves the capabilities in laboratory monitoring, emergency monitoring, automatic monitoring and early warning, and pollution tracing, and meets the comprehensive management and control needs of the water ecological environment in river basins, drinking water sources, urban water bodies, groundwater, industrial parks, and coastal sea areas.