We do cleaning of all kind of notes in qatar, dubai, china ,iran, pakistan, canada,usa, europe . We specialize in ssd chemical solution and activation powder for cleaning black dollars, euros, pounds and any other currency from any security color to it&＃39;s original state.our ssd chemical solution used to clean all type of blackened, tainted and defaced bank notes. Our technicians are highly qualified and are always ready to handle the cleaning perfectly. Our chemical is 100% pure. All our chemicals is sold with manual guide that provides instruction on how to use the chemical to perform the cleaning for those that do not need technician assistant to clean their notes.our company is an endorsed and certified company, registered and licensed for manufacturing of all sorts of chemical solutions base here in gulf states.