Enhance Your Formulas

Weston Horizon LLC is a trusted supplier of flame retardants and plastic additives in North America, with a keen focus on customer trust and quality. Since 2011, the team has been working with flame retardant additives for engineering high-functioning plastic products, as well as other antimony-based chemicals. 

With over a decade of industry experience, we pride ourselves on providing high-quality products, exceptional post-sale service, and direct access to raw materials. Our journey began in Asia in 2011, and we have expanded to target the North American market since our incorporation in 2022. We are committed to delivering top-notch products and services to establish strong partnerships with our valued customers.