... temperature is under independent PID control, more suitable for different packing materials.· Optional device: Ribbon printer, gas flushing device, air expeller ... , Shanghai3ReducerGongji, Taiwan4Temperature controllerYatai, Shanghai5Proximity sensorRoko, Taiwan6Photo sensorJulong, China7Static relaySchneider8SwitchPeople electric, Shanghai Automatic Sealing Liquid/Paste Packing Machine