... flat mold, which is handy to dismount. Semi-automatic filter cotton punching machine Product descriptionLihan machinery co, ltd is ... dustproof, plane, ladder type, N95 and 3M mask machine, automatic inside/outside ear loops welding machine, cap making machine, ... of enterprise concept. Sales hotline: 15989910854.“Hongda”brand Semi-automatic filter cotton punching machine: According to feature of mask, ...