bids are invited for relays and liasioning services testing of sf6 circuit breakers , testing of current transformers , testing of potential transformers , testing of power transformers , testing of micomp122-7sr1004- 7sr1003 relays , testing of micom p632 relays , testing of micom p521 relays , testing of micom p922 relays , testing of micom p127 relays , testing of micom p141 relays , testing of micom p642 relays , testing of micom p111 relays , testing of sepam s10b relays , testing of siprotec 7sj66 relays , testing of vamp 255 relays , liasioning services for cea periodical inspection periodical testing of switchgear equipments, protection total quantity : 216