1987-1996 AC Contactor
1996-2000 MCB,RCCB,RCBO,Isolation Switch
2000-2005 MCCB, ACB
2005-2008 HV&LV Power Distribution Cabinet, Switchboard, Intelligent Instrument,Stabilized Power Supply,types of Electrical Protective Device and Starter
2008-2017 High breaking Capacity Circuit breakers, new type Contactors, Electrical Device for Smart grid etc...