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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What is coffee packaged

05 Jun 2020

In addition to having the best raw materials, coffee packaging also plays an important role, which includes elements like one way degassing valve.

Why use a coffee freshness valve

25 May 2020

To get the best flavor of coffee bean, we choose the coffee packaging with coffee valve, because it can prevent the oxidation of coffee bean by oxygen.

Are One-Way Valves Right for Your Coffee Packaging Process

18 May 2020

One way valve is one of the most important accessories for coffee packaging, because the degassing valve can exhaust the inert gas released by coffee.