The paper food tray, burger boxes, or the snack boxes are easily found at our daily life, how are these boxes produced? Actually not a simple thing.
Firstly take the paper raw material which is food grade, design layout of developing drawings of the trays, boxes on the whole paper , also considering printing info on the expansion plans.
Then need a die cutting machine to cut the paper into expansion plan shape of the trays, boxes or containers .
Lastly , take each expansion plan shape paper forming required trays ,boxes etc by the tray forming machine.
Simple procedure can be refer to left flow chart.