2018 - 09 - 05 before printing skills ( Traditional plate-making) 1, colored manuscript through electronic color separation processing into monochrome films ( Yin figure film) ; 2, back exposure: on the opposite side of the plate with uv light exposure, constitute the base plate bottom; 3, the main exposure: read version of positive film materials, put Yin pictures, vacuum membrane cover, vacuum pump, main using uv exposure, transferred to the plate on the contents of Yin pictures; 4, washing version: version in the washing machine partly potion to wash, wash plate on the exposure of the resin, concave and convex print. 5, drying: 6, to stick: ultraviolet light shining; 7, after exposure: hardness adjustment.