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The coffee valve effect (principle): the coffee valve package in the coffee bag, and holes in the bag surface encapsulation coffee valve position, can be roasted coffee beans release carbon dioxide discharged out of the coffee bag, avoid because carbon dioxide accumulation caused the coffee bag open up, the outside air can not enter coffee bag, effectively guaranteeing the coffee beans drying and mellow taste.

13.Coffee Valve with the coffee bean

12.Why the coffee bag will have a piecs of coffee valve in it? And how to make the coffee valve into the coffee bag ?

11.Coffee Valve Applicator Machine with Coffee Valve--Color Suns

10.Coffee Valve Applicator Machine with coffee valve and coffee bag

9.Coffee Valve–The Best Transporter

8.Why the Coffee Package need the Coffee Valve?

7.Coffee valve be your coffee good partner

6.Out Aroma Protection Coffee Valve 

5.Coffee Valve Specification-colorsuns coffee valve

4.Colorsuns Coffee Valve.  

3.Why the Coffee Valve also called One-way degassing valve? 

2.Colorsuns Coffee Valve Applicator Machine-New One

1.CS01--Coffee One-Way coffee valve with filter01 Degassing Valve With Filter.