EC21 Buying Leads Catalogs - v drums http://importer.ec21.com/buy_leads/v drums.html Buy Spent Waste Catalystshttp://www.ec21.com/offer_detail/Buy_Spent_Waste_Catalysts--8308322.htmlV:7%min( V2O5:12%min),packed in 250kg of iron drums or in the super bags, in 20' of contains or simply in bulk All supp20090827