The relief printing press in this series is suitable for printing picture, character and advertisement directly on the surface of plastic woven bag. It is wide used for printing packing bag of chemicals, chemical fertilizer, grain, feedstuff, cement, etc. The control part of this press adapts advanced PLC made by Mitsubishi, Japan to centralized control photo, magnetic orientation device and automatic (manual) imprinting on-off device, linkage of automatic counter. The power adapts stepless speed control in order to reach stable operation and wide speed control range. The press is compact, easy to adjust and operate and maintain.