... Various currency with change back function Ice Block&Pure Water Vending MachineItem: GRA-IC100AIce capacity: 450kgsII)Charactor1, Whole wardrobe structure, ... Adopt advanced stable inductive IC card,bill syste,coin and automatic change back function; GRA-IC100A 4, Can option the GSM ... to finalize bag output,separating bags,loding ice block,sealing automatic,no neeed person;7, Adopt loose ice block,bag ...