... Transformer(BK,SBK),power transformer,electric transformer,JBK Machine Tool Control Transformer, Transformer,BKC,JBKDG & SGPower Transformer,Dry type transformer,Three-phase Dry-type Power Transformer,Transformer,SG,DG DG and SG series Dry type ... steam, chemical deposition, dust or dirt that will affect transformer’s insulation seriously, also explosive or corrosive medium is not allowed. ...