FAQ

1. Who Are We?
Our objective is to keep the coffee fresh, the one-way degassing valve package in the coffee bag,

and holes in the coffee bag surface encapsulation pressure control 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

2．What does the one-way degassing valve do? 

One-Way Degassing Valves are designed to allow pressure to be released from an airtight package 

while preventing air from getting back into the package.Air,especially the oxygen (O2) portion of air,

can have negative effects on the package contents and its freshness.When gas pressure inside a 

sealed package increases beyond the “valve opening pressure,” the seal between the rubber disc and 

the one way valve body is momentarily interrupted and gas can escape out of the package.  

As gas is released and the pressure inside the package drops below the “valve close pressure,” the 

rubber disc re-seals to the air release degassing valve body and the one way degassing valve is closed 

off to oxygen again.