... , PP undersealing head card bags. The film material begi Usage : This machine is mainly used in producing various HDPE, LDPE, PP undersealing ... . The film material begins sealing from unreeling. automatic positioning of lift sub, punching, stick card, sealing, ironing,shaping ar one time.Technical ... 1260 mm JGZ-500/700 FULLY AUTOMATIC HANGING BAG MAKING MACHINE