Yesiang is an airborne molecular contamination (AMC) filtration leader and pioneer with decades of experience researching, designing, manufacturing, and delivering cutting-edge solutions engineered with extreme precision for the most demanding clients.

We're the top AMC control supplier to Taiwan's semiconductor industry with over 50% overall market share, over 80% share in the advanced sub-5nm sector, and we're certified and utilized in the state-of-the-art 2nm technology node.
We've developed a diverse portfolio of filtration technologies. Our regenerative filter technology is revolutionizing chemical filtration efficiency. And we were the first manufacturer in the world to obtain BS 8001:2017 and ISO 14067:2018 sustainability certification.

Operating from the world's heartland of advanced silicon and electronics production and serving international clients in the US, Europe, Japan, Singapore, and China, we’ve been a partner and supplier of cutting-edge chemical filtration solutions for precision manufacturers and applications since 1987.

No matter your size, sector, or specifications, Yesiang delivers quality and performance.