Hengxin company as the largest maunufacturer for flexitank in China now . Our products are very popular all over the world now, very good quality and competitive price. Our flexi tank has the following features: -- Worldwide Insurance: Products Liability Insurance -- COA(Container Owner Association) member -- Quality Management System: ISO9001:2000, ISO22000 supervision -- Kosher Certificated -- Product Material: FDA,EC,HACCP standard , USA AAR TEST. -- Fast delivery world wide -- Exactly to your specification 18000L - 24000L optional .