About Wojin

Since its establishment in 2012, Wojin Plastic Products Factory has focused on the R&D and production of one-way degassing valves and semi-automatic valve applicator. It has brought in a fully automatic production line from Japan with a daily production capacity of 200,000 and a product qualification rate of 99.9997%. The company strictly controls product quality, strictly monitors each step of the product manufacture, and implements the 6sigma management. We guarantee the delivery on time and have 24-hour online customer support. Let our "coffee degassing valve retains the aroma of your coffee".
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How to maintain the freshness and extend the shelf life in pet food packaging

13 Apr 2023

Consider using packaging with one way degassing valve to help maintain the freshness of the pet food and extend its effective feeding period to improve the quality.

The Knowledge Inside The Coffee Packaging

10 Aug 2020

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.

How Does a Coffee Bag One-Way Air-Valve Work Two

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.

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