... , centrifugal fan, cross-flow fan, control panel for fan energy-saving, finger guard etc..The main using is in communication equipment ... UL, TUV, CE, CSA, CCC compliant.Our belief: Honest for foundation, Service best, Quality first, Technical Innovation.Welcome all ... , centrifugal fan, cross-flow fan, control panel for fan energy-saving, finger guard etc..The main using is in communication equipment ...