Wei Yan is the Engineering Director at Promethean Foam, where he leads the development of metal‑foam‑based solutions for industrial water recovery, EMI shielding, commercial‑kitchen safety, and high‑efficiency air purification. With over 8 years of experience in military‑grade materials and data‑center cooling systems, he has designed filtration technologies that save millions of gallons of water annually and capture PM2.5 particulates with >99% efficiency in industrial settings. His work includes fog‑collection systems that achieve 20‑40% water‑use reduction, NFPA 96‑compliant kitchen filters that cut grease‑fire risk by 85%, PM2.5‑grade metal‑foam filters for indoor air quality, and EMI‑shielding materials for aerospace/defense applications. He is available to comment on industrial...