Blog

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.

How do you store coffee long term

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.

Why do Bags of Coffee Have that Valve in the Front

19 Jul 2020

The one way degassing valve can not only discharge the internal gas, but also prevent the external oxygen and pollutant from entering in the coffee bag.

How do you keep coffee fresh after opening

10 Jul 2020

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.

Does ground coffee need to breathe

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.

Why do coffee packs have an aroma hole if it is recommended to store coffee in an air tight container

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.

What is That Hole in Your Coffee Bag

18 Jun 2020

Everyone would notice a small hole in the coffee packaging bag, this small hole is the breath channel of the one-way degassing valve.

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

11 Jun 2020

A high-quality coffee valve can promptly discharge carbon dioxide from the coffee bag without allowing outside air to enter the bag.

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.

Are Coffee Bag Valves Important

12 May 2020

Coffee valve is important for coffee, which is not only one of the elements of coffee bag, but also but also protects the freshness of coffee.

How to use the sticker coffee valve

01 May 2020

Sticker coffee valve can be used to preserve coffee, and need to poke a small hole on the surface of the coffee bag, and then stick the valve to the hole.

Why Do We Need Valves in Coffee Pouches

16 Apr 2020

On many food packaging bags, there is a round valve, which we call one way degassing valve, which has an indispensable effect on preserving the coffee.

Why Use a Degassing Valve

12 Apr 2020

The secret to maintaining the freshness of coffee is the one way degassing valve and we don't have to worry about coffee oxidation and deterioration.

How does a degassing valve work

10 Apr 2020

When the gas released after coffee roasting reaches a certain pressure in the bag, the gas open the one way degassing valve to exhaust excess the gas.

What is a degassing valve

08 Apr 2020

The one way degassing valve is the assistant of coffee, which keeps the aroma of coffee better and guarantee the ideal appearance of the packaging.

One Way Degassing Valve How To Choose And Identify

03 Apr 2020

Coffee packaging plays a important role in the preservation of coffee, the one way degassing valve is divided into an external type and a built-in type.

To endow the coffee valve a new environmental mission

18 Jan 2020

By reviewing the harmfulness that conventional plastic brings to our planet, Wojin has taken actions and developed degradable coffee exhaust valves.

What is the coffee exhaust valve

10 Jan 2020

The coffee exhaust valve is one of the packaging accessories on the coffee bag, which is also called one-way exhaust valve.

How to choose the suitable exhaust valve

08 Jan 2020

There are two types of exhaust valve on the market, the first one is built-in type exhaust valve, while another is an external type.

Why does a coffee valve play such an important role in preserving the coffee

06 Jan 2020

The coffee valve is important for the preservation of coffee beans.

The 7th anniversary of Wojin

26 Nov 2019

Wojin was established in Nov. 26th 2012, let`s welcome the 7th anniversary of Wojin at the same day today in 2019.

Do you take good consideration on your coffee valve Part II

20 Oct 2019

The coffee valve allows the worldwide coffee trade becomes more operational and allow consumer to taste a big range of coffee beans freshly.

Do you take good consideration on your coffee valve Part I

08 Oct 2019

Although people don’t mention it, coffee valve plays an important role with its small size among coffee industry, especially on biggest occasions.

What does a well-designed coffee exhaust valve mean to a barista

28 Sep 2019

By mentioning on the coffee competition, an efficient coffee valve would contribute on keeping the quality of final cup stable and predictable.

The method on testing the quality of coffee valve

18 Sep 2019

Alongside with our coffee map around the world—in Australia and Asian countries, we will introduce a test process for coffee valve quality check to you.

What does the use of a coffee valve for your product

08 Sep 2019

People around the world have different coffee culture, including preferred forms of coffee before drinking, a suitable coffee valve during storage becomes necessities.

Do you need the coffee valve for your coffee product

28 Aug 2019

When you or your customer have high requirement on the coffee kit, please also remember to have your coffee bean packed with a coffee valve without filter.

Importance on choosing the right coffee valve two

27 Aug 2019

Brewing methods have different requirements on the powder thickness, exhaust valves without filter is suitable for whole-bean product that can be grinded at home.

Importance on choosing the right coffee valve one

26 Aug 2019

Brewing method and the storage condition are both affecting coffee taste, and the exhaust valve with filter installed on package is suitable for powdery product.

What one way degassing valve contributes on the quality of coffee

16 Jul 2019

We recommend you keep coffee beans in containers with one-way degassing valve, it helps to prevent quality change and to extend shelf life during ‘resting’.

Coffee valve would add value on your product

05 Jul 2019

By combing with some coffee knowledge on flavour, we will also explain the extent of importance of coffee valve on adding value for your coffee product.

The value of one way valve and storage of coffee bean

01 Jun 2019

Whatever the package form that the business choose, the one-way valve is a necessary component to add on, some information on coffee variety is provided.

Discussion on the sour taste of coffee by one way exhaust valve

01 Nov 2018

Today one way exhaust valve will talk about the sour taste of coffee.

One way exhaust valve on coffee taste

30 Oct 2018

The one way exhaust valve tells everyone that tasting coffee is usually evaluated from three aspects smell,flavour and taste.

How to appreciate coffee by one way valve

26 Oct 2018

One way valve believes that drinking coffee should be like tasting wine, first smell the aroma, and then try a small bite, that you can taste the essence of it.

One way degassing valves talk about wrong steps to drink coffee

22 Oct 2018

Today, the one way degassing valve tells you about four common mistakes in drinking coffee.

One way degassing valve on preservation of coffee bean

20 Oct 2018

The one way degassing valve knows that roasted coffee contains up to 0.1% volatile flavor, so this coffee becomes the most aromatic food.

One way exhaust valve talk about barista's tips

18 Oct 2018

One way exhaust valve that a good cup of coffee in addition to a good machine, the method of blending coffee is also very important.

Coffee valve knows water quality determines coffee quality.

16 Oct 2018

The coffee valve knows the water quality determines coffee quality.

One way degassing valve on determining coffee quality by water temperature

12 Oct 2018

The one way degassing valve knows that in order to ensure the optimal solubility of the coffee, the boiling water temperature should be lower than boiling point.

One way exhaust valve on marchiato

10 Oct 2018

One way exhaust valve knows that Marchiato is espresso with a little milk foam, Marchiato smells stronger and more fragrant than Capuchello.

One way degassing valve talking about lattes marchido

08 Oct 2018

One way degassing valve knows that Italian-flavored Lattes Marchido is popular with coffee lovers not only for its taste, but also for its appearance.

One way exhaust valve knows the utz certified quality coffee

26 Jun 2018

One way exhaust valve know UTZ Certified is an independent organization that is certified to the world's high-quality coffee, cocoa and tea.

One way exhaust Valve on 4c association coffee certification

25 Jun 2018

One way exhaust valve understands that the 4C Association is a global organization of stakeholders in the coffee industry chain.

One way exhaust valve on sumatra mantinine

24 Jun 2018

One way exhaust valve knows that Sumatra began planting coffee trees in the 18th century, most famous coffee comes from the islands of the Malay Archipelago.

One way exhaust valve on Arabica and Robusta

23 Jun 2018

One way exhaust valves knows the main varieties of coffee grown in the world come from Arabica and Robusta.

One way degassing valve talks about the simple method of pressing pot

22 Jun 2018

The one way exhaust valve tells us that three factors can affect the flavor of coffee:powder thickness, water temperature and time.

One way exhaust valve on yirgacheffe

21 Jun 2018

The one-way exhaust valve tells you that Yirgacheffe is a small town located at an altitude of 700-21,000 meters.

One way degassing valve on guatemalan coffee

20 Jun 2018

The one way exhaust valve knows that Guatemala is tropical, has a tropical rai