Tender For procurement of ewac make special purpose welding electrode for hard facing and jointing electrode used in coal burner assembly for boilers of 2x660 mw, stage-ii, sstpp, dongalia. - procurement of ewac make special purpose welding electrode for hard facing and jointing electrode used in coal burner assembly for boilers of 2x660 mw, stage-ii, sstpp, dongalia ( as per schedule)