14 Feb 2015
To dinner with everybody WOJIN one way valve in Zhongshan STARBUFFET! Thanks for everyone hardworking in 2014! We wish in 2015 turning better and better!
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Tag: one way valve
Originally published 14 Feb 2015, updated 14 Feb 2015.
Take the coffee bean as an example, the steps from plant, pick, roast, are all connected , without the one-way valve usually make the coffee less fresh.02 Aug 2020
The external oxygen will be stopped from entering the bag, so that the package is in a working state, thereby protecting the freshness of the food in the bag.25 Jul 2020
When storing the coffee, we need to avoid light and heat, and keep it in a dry environment, we then need to use coffee packaging bags with coffee valves.