Landun Photoelectron is a Hi-Tech company by Sanjia Group and Anhui Insitute of Optics and Fine Mechanics Academia SINICA,which is specialized in photoelectron and electricfield.It has four plants with main products of Air Quality Auto-insight Monitor System,Continuous Emission Monitoring System of Flue Gas,Traffic Intellectual Control System,Transformer and Hi-Frequency and Hi-voltage component.