... turbo blower's features:1.Dual-usage: Compressor and Vacuum (suction and Discharge).2. Die-cast aluminum ADC12. IP54 ... Training centers, Colleges, research institutes, state-owned enterprises and many private companies including Chinese Academy of Sciences, State ... Corporation (SNPTC) , China Academy of Machinery Science and Technology (CAM),Shanghai Jiao Tong University,Huazhong University of ...