1.use dry battry to work 2.automatic control system 3.OEM/ODM are optional 4.CB, ROHS, ... to work, so it is very convenient;with automatic production;with transparent window to see the state of ice cream.Power and ... products have obtained many certification. Such as CCC, CB, GS, CE/EMC/LVD, PAHS,ROHS, UL, EK, CUL, PSE/JET, KETI ...