... for food,powder,sweets BOPP,PET,CPP,PE, nylon HDL High-speed (Three-servo) Three-side Sealing Standing Zipper Bag making ... is a kind of modified Model WSD 600A Full-automatic High-speed Three-side Sealing Bag-making Machine and is suitable ... real-time display. The bag-making speed, bag- making length, temperature, counting, punching and conveyor quantity of doubling finished products, etc ...