Aircraft Refueler Tankers

we are group of companies based in dubai uae , we have urgent requirement to buy more then one jet refueler bowser truck with capacity up to 20000 l, 37000 l and 45,000 l , for jet a1 fuel to service deferent type of air craft ,
kindly request you to send me info and prices for more than 2 or 3 options ,
thanks