The machine is easy-to-operate, sustainable, and safe with low failure rate.The machine will work continually for the same tray size. When you change the packing size, it will take 10-15 minutes to do the changeover manually.With reasonable design, the machine picks up the cardboard and presses it through stamping to form the box, fold and lock two or four flaps automatically.It can work with the single machine, and also can match in automatic packaging line.