... Zipper Top Stop, Pin & Box Injection Molding Machine Function: produce top stop, pin & box ... . We have got ISO 9001:2008 Quality Management Syestem Certification in 2010. Main Market ... machine, film sealing machine, punching machine, pin making machine, box fixing machine, slider mounting machine, top stop machine, bottom stop machine, top stop, pin and box injection molding machine, cutting machine ...