Stringent Quality Controls

certified by ISO-9001:2000, ensuring consistently high quality

Strategic Backward Integrations

Strong, focused and creative R&D team

R&D Team & Full Application Supports

State-of-the-art production and analysis equipments

We are REACH Ready!

Our products measure up to the ROHS .

Beijing Tiangang Auxiliary Co., Ltd

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


light stabilizer for plastic

light stabilizer for plastic

Tiangang® HS-944FD/LD is a pharmacologically active agent used worldwide as a light stabilizer & UV Absorber for plastic materials

Agricultural & Horticultural Films

Agricultural & Horticultural Films

New light stabilizer extends agricultural film life.Without a light stabilizer & UV Absorber, they would not last even one growing cycle.

light stabilizers in coatings

light stabilizers in coatings

It is common practice to combine hindered amine light stabilizers (HALS) with UV absorbers (UVA) for optimal protection of coatings

Automobile Coatings

Automobile Coatings

This stabilizers protects automotive coatings from UV degradation. it also exhibits synergy when used in combination with benzotriazole absorbers.

Wood Coatings

Wood Coatings

For wood, light-induced degradations of wood coated surfaces can be reduced significantly by using light stabilizers.

Textile industry

Textile industry

High-performance polymeric hindered amine light stabilizer (HALS), polyolefin copolymer, nylon, polyacetal, polyester and other