WOJIN Showcases High-Standard One-way Degassing Valves at Shenzhen Coffee Expo
04 Sep 2024
WOJIN promoted its brand at the Shenzhen Coffee Expo and will continue to produce high-quality products to high standards.
Learn about WOJIN one-way degassing waterproof valve (WJ1901-FW)
26 Aug 2024
When some products containing liquid and need to be degassing to maintain freshness, we need to use a bag with one way degassing waterproof valve.
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.
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.
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.
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.
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.
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 Mala
