About Us

Tungyi Hardware Co., Ltd.

Leading Brand in Coffee One-Way Degassing Valves
Delivering the Perfect Freshness Solution

Tungyi Hardware Co., Ltd. is Taiwan's premier OEM/ODM manufacturer specializing in coffee one-way degassing valves.
Since our founding in 2014, we have upheld our core values of “Quality First, Service-Oriented, and Reasonable Pricing,”
and have remained committed to providing our customers with the highest quality products and services.

Feel free to call or email us —
we look forward to hearing from you.
The Leading Brand in Coffee One-Way Degassing Valves – Crafting the Perfect Freshness Solution for You

Tungyi Hardware's Core Philosophy

Professional Manufacturing, Quality AssuranceProfessional Manufacturing, Quality Assurance

  • We specialize in the development and production of coffee one-way degassing valves, backed by extensive experience and technical expertise.
  • We maintain strict control over every step of the production process to ensure that each product meets the highest quality standards.
  • Our valves are independently designed and manufactured, offering stable performance, excellent quality, and highly competitive pricing.

Innovative R&D, Practical SolutionsInnovative R&D, Practical Solutions

  • We are driven by a customer-oriented innovation mindset, continuously developing new solutions to meet real-world needs.
  • Tailored to Taiwan's unique climate conditions, our valves are optimized to better suit local applications.
  • We actively engage with clients around the world to develop the most stable and reliable products.

Customized Service for Diverse NeedsCustomized Service for Diverse Needs

  • We offer OEM/ODM customization services, creating tailor-made valve solutions to meet your specific requirements.
  • By deeply understanding customer pain points, we provide professional and effective solutions to support your success.

Fair Pricing, Win-Win CooperationFair Pricing, Win-Win Cooperation

  • We are committed to offering competitive and reasonable pricing, helping customers maximize value.
  • By carefully selecting materials and highlighting their unique properties, we maintain exceptional quality.
  • Every product undergoes strict design reviews and multiple refinement stages to ensure lasting appeal and consumer trust—helping our clients build stronger brand credibility in the market.

Our Commitment

We are dedicated to continuous technological advancement and product quality improvement, aiming to deliver the best possible service to our customers.
We value every customer's feedback—your input is the driving force behind our progress.

We warmly welcome you to contact us anytime —
let's work together to create a better future!

Product Features

One-Way Degassing Valve — The Key to Freshness and Safety

The one-way degassing valve is a precise and functional device designed to allow internal gas to escape in a single direction, while strictly preventing external air or liquids from entering the packaging or container. This intelligent mechanism plays an indispensable role across a wide range of applications, ensuring product quality, safety, and freshness.

Coffee Packaging

Coffee Packaging

Freshly roasted coffee beans continuously release carbon dioxide. A one-way degassing valve effectively vents these gases, preventing the package from swelling or even bursting. More importantly, it blocks oxygen from entering the bag, maximizing the freshness of the coffee beans and ensuring that every cup retains its optimal flavor.

Food Packaging

Food Packaging

For gas-releasing products such as fermented foods, grain-based products, as well as rice bags and pet food, one-way degassing valves also play a vital role. They help maintain the integrity of the packaging and extend the shelf life of the product.

Industrial Applications

Industrial Applications

In industrial processes where precise control of internal container pressure is required, one-way degassing valves serve as a reliable solution for controlled gas release.

Medical Applications

Medical Applications

In medical devices or packaging, one-way degassing valves help control gas flow while maintaining a sterile environment, ensuring the safety and integrity of medical products.

Logistics Protection

Logistics Protection

During handling or accidental drops, cushioning bags may experience impact. One-way degassing valves allow air to escape from the bag, reducing internal pressure and minimizing the risk of damage or rupture caused by trapped air. This helps prevent packaging bursts and ensures safer transportation.

Core Advantages

One-Way Gas Release

One-Way Gas Release

Effectively vents excess internal gas Prevents packaging from swelling or deforming

One-Way Gas Barrier

One-Way Gas Barrier

Blocks oxygen, moisture, and odors Maintains product freshness and extends shelf life

Packaging Safety Protection

Packaging Safety Protection

Reduces impact during handling or drops Prevents packaging rupture

Wide Range of Applications

Wide Range of Applications

Suitable for food, industrial, and medical sectors, meeting diverse packaging needs