... for plate/blanket adjustment. 4. touch scree YC620SM is an absolutely brand-new, fully automated, B-B type, sheet ... exclusivelymanufactured by Weifang Yongcheng Machinery Co.,Ltd in China. It has an advanced structure, factual efficiency, stable performance, easy operations, ... frame, high-precision gears, runs steadily and smoothly.It has side blast and front blast, static eliminator, feed sheets ...