The first show of GN Vacuum Pump was in last year’s CIPPE Beijing, when GN showed a 40 cbm per hour model. While in this year’s CIPPE Beijing, which was held in March, GN Vacuum Pumps gained full attention. In CIPPE 2018, GN brought to exhibition: 1 set of a big vacuum pump (GNSP40A) with capacity of 40 cbm per hour, and 1 set of a small vacuum pump with capacity of 20 cbm per hour (GNSP-20A), and also, a vivid video showed the different applications of this powerfully pump.After the...