if you find your old piano with crack and dirty white key caps
and you feel like replacing them, yes we can do it.
look at the picture above, the white plastic key caps are cracking, chipped and the dirt
has penetrate deep into the white area, it is no use to have them clean and polish.
the solution is to replace the old one to new key caps.
we carefully extract the old key caps, clean the underneath surface
and carefully glue and clamp the new parts.
Filing process will be applied to make the key edge smooth.