There are many brands of oil fume purifiers in Shandong, but most of them take the low-end route, and the quality is not so good. If you are used for large-scale projects, you can consider the domestic large-scale oil fume purifier brands. The purification rate of GOJEK's electrostatic fume purifier can reach over 98%, which is in line with Shandong's catering fume emission standards. You can ask.