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Detai Valve Bag- devote in valve bag producing for 20 years.
Wenzhou Detai has innovating experience in valve bag, multi-layer paper bag over 20 years, and possesses core technology in producing multi-layer paper bag, valve bag, paste bottom bag, open mouth bag, paper-plastic lamination bag, cleft film suture line, engineering fiber, etc. These technologies are widely used in va
Detai Valve Bag- devote in valve bag producing for 20 years.
Wenzhou Detai has innovating experience in valve bag, multi-layer paper bag over 20 years, and possesses core technology in producing multi-layer paper bag, valve bag, paste bottom bag, open mouth bag, paper-plastic lamination bag, cleft film suture line, engineering fiber, etc. These technologies are widely used in va