04 Apr 2016
On March 29, we WOJIN one way valve team join in the HOTELEX Shanghai! In the show, we meet lots of cafe friends and company! Wow! Great Show!
Tag: one way valve
Originally published 04 Apr 2016, updated 04 Apr 2016.
Remember to seal the packaging bag after taking some coffee out, so the one-way degassing valve would finish its job to keep the freshness of product.03 Jul 2020
Roasted coffee cannot be put directly into a sealed package, because the coffee need to "breathe", that is, the carbon dioxide gas will be released.26 Jun 2020
This is a hole punched before installing the degassing valve, which purpose is to discharge the CO2 released and avoid the oxidation of coffee.