... :2004 CQM,CNAS 00212E20583R0M Scope: Production of current and voltage transformers, Ameters, Vmeters, MCBs, ELCBs, AC contactors, MCCBs and relevant management ... :2008 CQM,CNAS 00212Q11739R0M Scope: Production of current and voltage transformers, Ameters, Vmeters, MCBs, ELCBs, AC contactors, MCCBs 2012/04/11 ...