... -by-step motor to drive and control the length of bag with stable performance and accurate testing. Meanwhile, it is easy to ... bag-making, weighing, filling, sealing, cutting, counting, printing batch number and so on. 3.The packing shape is unique triangle, pretty ... triangle bag solid packing of grain, powder, liquid, short strip and slices, such as slices puffed food, shrimp strip, peanut, popcorn ...