-5. Strong Japanese steel material with special coating, which with the 3 times of
special hardness treatment with mirror polish by chromium plating on the machine body and parts, which to make the machine with longer product life and high performance after years.
-6, The High quality machine design, Machine User will not need to worry about the repair, As the repair is almost not need. The strong/durable quality is base stone of the EI stacking machine manufacturing.