Tungyi Hardware CO., LTD

Coffee Bag Valve/ Coffee Packaging Machine/ Coffee Packaging/ Coffee Valve Applicator/ Coffee Valve/ One-Way Degassing Coffee Valves//Vacuum Bag / AL Bag / Zip Lock Bag / Stand Up Pouch/Plastic Packaging Material/Laminated Material for Flexible Package/Coffee Bag Valve/Coffee Pod Packaging Machine//Coffee Bag Valve//one-way degassing coffee valve Overview/one-way degassing coffee valve HD-200/one-way degassing coffee valve HD-220/one-way degassing coffee valve HD-190/one-way degassing coffee valve HD-200F/one-way degassing coffee valve HD-220F/Tungyi Hardware CO., LTD