About us

Values, Excellence, Innovation

-        Leading producer of Light Stabilizers and UV Absorbers since 1991

-        Two state-of-the-art plants in China, fully backward integrated on key intermediates

-        Proprietary process technologies, and cost-efficient manufacturing

-        Strong, focused and creative R&D team

-        Application support including W.O.M. tests and etc.

Beijing Tiangang Auxiliary Co., Ltd. (Tiangang) is a leading specialty chemical company with the mission to become supplier of choice in the field of polymer additives development, manufacture, and distribution. Founded in 1991, we have grown into one of world’s largest manufacturers of Light Stabilizers and UV Absorbers, with two state-of-the-art plants in China, which are highly backward integrated on key intermediates.

With a notion of “Values, Excellence, Innovation”, we serve a wide range of customers in plastics, rubber, fibers, paints, coatings, photographic paper, inks, grease and oils, and are market leader in many key markets.

Leveraging upon our deep knowledge in polymer additives, and strong R&D capabilities, we offer our customers a range of application support services, including accelerated weathering tests (WOM, QUV, Heat Aging) for evaluation of outdoor performances, formula optimization, failure analysis, composition analysis, and customized chemical synthesis services.