Due to coffee industry in rapid growth, our coffee valve also continue to being made improvements with our unique R&D.

Coffee is not just a part of my life, it is the most important part of the daily soul. Fresh beans can be made a cup of good Coffee after roasting, in order to ensure the quality of Coffee, there are need one-way degassing valves to gradual release of carbon dioxide and prevent oxygen from the outside into the bag .The one-way degassing valves are applied to each package, their correct functionality is to prevent package over-inflation and to preserve aroma.

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%. We guarantee the delivery on time and have 24-hour online customer support. Let our "coffee exhaust valve retains the aroma of your coffee".

Our www.wojinvalve.com can give you a satisfied answer.