ISO 9001 Certified Custom Bag Manufacturing Excellence

TIEN YIH's commitment to profession, integrity, and innovation through ISO 9001:2015 certification demonstrates our dedication to high-quality, trustworthy packaging solutions.

TIENYIH is ISO 9001 CERTIFIED!

Congratulation! Tiehyih Is ISO 9001 CERTIFIED!

We stand on profession, integrity, and innovation. Strictly manufacturing process is our central idea.


28 Jan, 2022 TIEN YIH

Passing ISO 9001:2015 certification is important to us being able to demonstrate our professional service and high quality. We believe that we are trustworthy partner.

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Custom Shopping Bag Service and Factory-Direct.

How can you guarantee consistent quality and compliance in your custom bag production for retail partners?

TIEN YIH's ISO 9001:2015 certification provides the quality assurance guarantee your retail business demands. Our certified manufacturing processes ensure every custom shopping bag meets international standards, reducing compliance risks and building customer confidence. With 30 years of production expertise and strict quality controls, we deliver reliable, consistent packaging solutions that protect your brand reputation and meet retail specifications every time.

Our ISO 9001:2015 certification reflects our unwavering dedication to maintaining rigorous manufacturing protocols and continuous improvement across all production operations. As a Taiwan-based manufacturer specializing in comprehensive one-stop solutions including gravure, flexographic, screen, and sublimation printing services, we provide clients with the assurance that their custom bag orders are produced under internationally recognized quality management systems. This professional credential, combined with our eco-friendly initiatives and FSC-certified materials, positions TIEN YIH as the reliable choice for businesses seeking certified, high-quality custom packaging solutions. Contact us today to experience the difference that ISO 9001 certified manufacturing expertise brings to your packaging projects.