Good afternoon! Interested in purchasing flexitanks with the following characteristics on FOB terms: Flexitank for a 20-foot container· FLEXITANK（16-25KL) 25 MIC x 4 LAYERS PE  1PP  1 VALVE( 3" BALL VALVE) What is the lowest price you can offer? We also ask you to send the terms of use in order to obtain the supplier's warranty in case of damage