Smooth and shining as glass, paper cards, print pressure required pressure than other printed materials are relatively large
. So Plate Should be fully taken into account child-care version of the material choice must be durable, with double-Jin Koujiao the version of cement, were added around version of the nails, to prevent high-speed printing plate with the version of care separate plate surface is not allow residual traces of more than plastic, should be used Charcoal Polished to plates without any residual foreign body.