supply of spares of songsan make elevator at iocl guwahati refinery , list of item ( s ) / work ( s ) as per tender documents , inverter pn:sp-a-010/songsan elevator , noise filter pn:sp-a-007songsan elevator , door guide shoe p/n:song-d-m-0003 , songsa , door interlock p/n:song-d-m-0004 , songsan , limit switch p/n:song-l-m-0035 , songsan , igbt p/n: sp-t-011 , songsan elevator , hpi pcb p/n: song-hb-m-0056 , songsan , cp link pn-sp-a-011/songsan elevator , door controller p/n: se5421-sp-t-010 , inductor barrier /isu pn:se5421-sp-a-001 , door timing belt p/n:song-sp-m-0007 , push button u/d/o/c , p/n:song-sp-m-0001 , relay pn:-sp-a-006/songsan elevator , car link board pn:se5421-sp-a-003/songsa , photo sensor p/n: song-ph-11/ songsan