ZDouglas Kangmeida Bio-technology Co. Ltd is established in 2007. As a professional manufacturer and supplier,we are specialized in producing and supplying SSD Solution for cleaning defaced and black coated banknotes of all types antibiotics *ual pharmaceutical raw materials loss weight raw materials chemical raw material and more from China and other parts of the world Rich experience Flexible supply channel Best service for you If you are interested in any items please feel free to contact me We are selling our products at very reasonable prices as specified below Our product is one of the purest of (99.9%). This chemical reagent will clean up all your black coated banknotes effectively