RQT Chemistry™ is a leading Chinese manufacturer of fluorescent whitening agents (optical brighteners), established in 1992 as a subsidiary of Sino Emotion Industries Co. Limited. With over 33 years of dedicated research and innovation in chemical optical brightener products, RQT Chemistry™ has served more than 20,000 clients worldwide and developed over 500 specialized formulations tailored for diverse applications. Our expertise spans industries such as plastics, paints, inks, coatings, detergents, textile printing and dyeing, and papermaking, helping partners achieve superior brightness and quality in their end products.

Due to our commitment to reliable quality, competitive pricing, and eco-friendly production technologies, RQT Chemistry™ proudly supplies raw materials and OEM services to globally renowned optical brightener brands, including BASF. As a trusted partner, we leverage cutting-edge technology, state-of-the-art equipment, and a robust quality control (QC) system to ensure every product meets the highest international standards.

At RQT Chemistry™, we are passionate about brightening the world—one innovation at a time. Join our legacy of excellence and discover how our solutions can elevate your business.