Dear Sir, we have also purchase cow / ox gellstone we introduce ourselves as the Larger importers of Ox/Cow GAll stone  we are uses Of Ox/Cow GAll stone For Madicine,homyopethic,Harble products, if you sell us them do not hesitet for contect us   we hope to have business relation with you   thanking you n looking forward to receive your favourable response enclosed attachments :- with best regards OWAIS ALAM   BS INTERNATIONAL