Mexican millers are lining up a second purchase of Argentine wheat before they have even received the first and are investigating purchases from Australia, Germany and Poland too. Mexico millers which have been already been reported as having bought one 30,000 MT cargo of Argentine wheat, the first on record are in the process of purchasing one additional shipment from the South American country. Depending on the results of this test, more shipments are possible if the price and timing are right. The first one is scheduled to arrive in late December.