Columbus, Ga., and London, 17 Sept., 2013–TSYS (NYSE: TSS) announced today that it has been chosen, along with major payment industry players in China (CUP Data, UnionPay International [UPI] and UnionPay Merchant Services [UMS]), to present at the International Acquiring Forum, on 17-19 September. The overall theme of this much anticipated first-year event is “Realities…