APPLICATION AND FEATURES DZK-S700 is used for producing U-type bags , fl-at-mouth bags and printed bags . It works with double deck in four assembly lines . It can aut-omatically control temperature , automatically feeding , counting , alarm . There is seal auto-matic electric-heating needle for bag staclry cutter tool . It is adopted import advanced ele-ctric device . SDD-Z700 is used for producing U-type bags , flat-mouth bags and printed bags. It works with double deck in four assembly lines . SDD-B750 is adopted with hot cutting , side-se-aling to produce side-sealing bags.