we are in malaysia since 6 months,we can take your black notes to clean and after we take our percentage,it  can be in (malaysia ringgit,usd or euro,singapore dollars)...We can also sell you the SSD solution and give you advice how to clean the note, the activating powder is free......the minimum is      1 liter  = 30.000 usd ...with 1 liter you can clean  1 milion for each note( usd,euro,rinngit etc...)...you can call our secretary office at ,MR.CALSON  at 0060129708636