supply of one coach set of primary springs for vb/train set coachesone coach set of primary springs for vb/train set coaches,one coach set of primary springs for vb/train set coaches to ec engineering drg.no.mt18 br2 001448-7 -8 nos (primary inner) & mt18br2 001449-7 -8 nos (primary outer) manufacturing of spring to be as per m/s. ec engineering specification no mt18br2 001470-08. special condition: suitable packing to b e done to avoid damage during transit, there will be minor modification in design. firm may be advis ed to collect final drawing before manufacturing.; [ warranty period: 30 months after the date of delive ry ] ] => limited