Oliver chemical Ltd Company We specializes in ssd chemical solution and activating powder for cleaning deface note [black dollar], we also clean Euro and pounds and any other currency from any security color, to its original state. , is operated by worldwide Science Associates and Chemical laboratories in more than ten countries, we are perfect in development and cleaning of defaced currencies.and we also sell home kits for you to go and test your own products for small scale cleaning, Anti-freezing Prepar
