1.super efficiency 2.cleanness, 3.environmental protection 4.flexibility in installation GQQ cabinet type HFC-227ea gas extinguishing system, non-piping extinguishing system, also pre-engineered system.Its advantages are:1.super efficiency of putting out fire, 2.cleanness, 3.environmental protection 4.good electrical insulation5. easy and flexible installation6.convenient maintenceAll its merits ...