Continuous motion side sealer i.e. “Chasing knife” design has its incomparable edges over other normal side sealers. With this model customers can enjoy top efficiency.and prefect sealing line. Cross sealing motion in continuous mode with conveyor/product synchronously driven by servo-motors. A prime choice to pack photo frame, books, magazine, electronic products and likes. Servo motor action performs stable, reliable, continuous packaging process in high speed running, smooth transportion of product on the conveyors without product derail or fall-down. Six servo motors,respectively controlling six procedures in a synchronous way, that is infeeding,transition,outfeeding,cutting , film releasing,and winding.. Self-adaption feeding system automatically adjusts according to the interval of product feeding. System stands by automatically when in manual feeding or vacant feeding, and returns to normal working status when feeding recovers normally. Advanced HMI, all setting & data storage compacted in HMI, automatic error detection and easy trouble-shooting. Cross sealing behind side sealing saves 50% of waste film compared with traditional design Extra logo location/position function for printed pattern film as option Easy adaptation to the customized production line.