Zipper Pin and Box Machine 1. fix the pin and box at one time 2. ... high stability 3.high productivity 4.semi-auto is available Auto Nylon Zipper Pin & Box ... we can offer: gapping machine, auto gapping and bottom stop setting machine, film sealing machine, punching ... machine, bottom stop machine, top stop, pin and box injection molding machine, cutting machine. Fully auto zipper ...