From November 3 to 5, 2020, the 59th (Autumn 2020) National Pharmaceutical Machinery Expo and China International Pharmaceutical Machinery Expo held in Chongqing International Expo Center. CMN brought pure oil-free screw air compressors, 4.0MPa oil-free screw compressors and 1.2MPa oil-free scroll compressors to the exhibition. With its unique innovative design concept and high-level compression technology, CMN has attracted many manufacturers in the pharmaceutical industry to visit and negotiate.