Kampa Electric Co. Ltd has in manufacture/research/development of industrial and electrical components for 20 years,owning three factories and one company as below 1) xinling electrical co.,ltd-----manufacture relays(pcb relay,general pupose relay,power relay,time relay),temperature controller,sensors,switching power supply. 2) kampa controls systems co.,ltd----manufacture thermostat,heater 3) Elexpert co.,ltd------manufacture the ACB,MCCB,MCB,RCCB. 4) Kampa electric co.,ltd----- export all electrical and electronic parts The enterprise has gaine ISO9001,rva quality system attestation(Netherlands),and these products have gained CE,UL,CSA,CUL,CCC safety Attestation in china.