Dear GUNGDAI Clients,

We have truly exciting news to share about another milestone that we have made again. 

We are immensely proud to announce that the GUNGDAI GD IZERO Reverse Osmosis System has successfully obtained the rigorous NSF/ANSI 58 full system certification!

A Historic First for Taiwanese RO Filtration

This achievement is more than just a certificate; it is a testament to our commitment to excellence.

The GD IZERO is the first RO filtration product in the entire Taiwanese market to achieve this gold standard recognition so far.

The NSF/ANSI 58 certification is the globally recognized assurance that your system effectively removes contaminants, is structurally sound, and uses 100% safe materials—a trust you deserve.

What Does This Mean For You?

It means that when you choose the GD IZERO, you are choosing:

• Verified Safety: Unquestionable purity confirmed by independent, international experts.

• Pioneering Quality: The highest standard of filtration available in Taiwan.

• Total Confidence: Complete peace of mind for the health and safety of your family.

Thank you for trusting GUNGDAI. We are dedicated to delivering not just quality, but historical excellence, straight to your tap.

Experience the GUNGDAI GD IZERO today—now certified as the best.