Ace engineering & marketing co. is an ISO 9001-2000 certified firm
specialized in manufacturing and supply of rsi blocks spares and
sub-assemblies for electric locomotive type-wam-4/wag-5/wag-7. We are also a government approved importer with ie code number-0501052712 and a ssi unit registered with district industry center, faridabad vide
permanent registration no.061920269. It registered with northern railway, west central railway and north eastern railway as approved supplier of stores vide registration no.a-0051, 50720 and 12816 respectively.

It have supplied a vide variety of spares and sub-assemblies of rsi blocks to many zonal railways and production units of indian railways. A copy of performance report enclosed.

It also undertake repair and re-habilitation of complete rsi blocks and sub-assemblies like ac damping panel, dc damping panel, hole storage board, ac earthing board, ettfp panel etc.

In addition to the above we are authorised representative of the following rdso/clw approved manufacturers:-

1 icar.spa, italy. for capacitors.
2 ge-usa for capacitors.
3 pec, hyderabad for wire wound resistors.
4. ruttonsha international rectifier ltd- for diode, thyristors, modules and spares etc.

In addition to the above we are retained by m/s semikron electronics p ltd, one of the largest and reputed semiconductor company (german based) for their entire range of products such as igbt, mosfet, modules etc which would find application in wap7/wag9 locomotive.

Ace engineering & marketing co. is an ISO 9001:2000 certified firm