Water Filter Manufacturer & RO System OEM Supplier | ONEMI

Our Heritage

Our Story

For over a decade, ONEMI has delivered safe,
pure drinking water to families worldwide.
From our first purifier to whole-house systems,
every product is built on one promise: quality you can trust.

Innovation &
Manufacturing

ISO 9001 certified. 50+ core patents.
Strategic partnerships with global leaders
like DuPont. Our R&D center pushes the
boundaries of water filtration —
so every drop is safer.

Explore Our Factory

Certified &
Compliant

ONEMI products hold rigorous
international certifications for water safety,
electrical safety, and environmental compliance.
Every certificate is proof — not just a label.

View Certifications
August 28, 2026
Key Takeaways The EPA's 500 mg/L figure for total dissolved solids is a Secondary Standard, an aesthetic guideline for taste and scale, not an enforceable health limit. Importers who grasp that dis...
August 27, 2026
Key Takeaways Cartridges, not machines, carry the margin in water purification. Replacement demand accounts for roughly 42% of US water purifier sales, and connected auto-reorder turns that demand ...
August 26, 2026
Key Takeaways Magnetic water softeners do not remove calcium or magnesium, the minerals that actually make water hard. At most they behave as descalers, and even that effect is inconsistent across ...

Pure Water,
Advanced Technology

With over a decade of expertise in water purification, we have built a comprehensive technology system spanning materials science, precision manufacturing, and intelligent control — from multi-stage filtration system optimization to AI-driven real-time water quality monitoring platforms. Every stage reflects the expertise and craftsmanship of the ONEMI R&D team.

We hold over 50 core patents and multiple international certifications, with R&D centers spanning Asia and Europe, bringing together top talents in materials engineering, environmental science, and electronic engineering. Every product undergoes thousands of tests and extreme-condition trials, delivering consistent safety and purity across diverse global water conditions.

From lab to production line, from urban homes to remote communities, from commercial spaces to industrial sites — ONEMI operates in 50+ countries, serving 5 million+ households. Real innovation is not about bigger numbers. It is about healthier lives — one household at a time.

Technology and Innovation
2011
Year · ONEMI Founded
50+
Regions · Global Reach
5M+
Households · Families Served
99.6%
Satisfaction · Trust & Recognition