DONG HO SD is a leading photocatalyst technology company in Korea, holding the exclusive domestic patent for WO3 transparent photocatalyst material. Our products are developed using cutting-edge technology and provide effective air purification and deodorization, with FDA approval and EPA certification ensuring safety and reliability.

WO3 transparent photocatalyst offers superior transparency and stability compared to traditional photocatalysts, delivering long-lasting deodorizing and air-purifying effects across various everyday environments. We are committed to eco-friendly innovation and aim for continued growth in global markets.

Clean Nano products can be used in homes, cars, shoes, pet areas, and more offering clean, fresh air and a healthier lifestyle for customers worldwide.

We prioritize customer satisfaction and strictly manage product quality and safety.