About Us

Last Updated: 2026-10-20

Founded 1991, Tiangang focuses on polymer anti-aging additives. Three production bases, 30,000 t/y capacity, proprietary

Last Updated: 2026-10-19

Beijing Tiangang Auxiliary — a national high-tech enterprise focused on polymer anti-aging for over 30 years.

Last Updated: 2026-10-19

Business inquiry, procurement cooperation and recruitment — contact Beijing Tiangang Auxiliary.

Last Updated: 2022-03-08

17 milestones from a single additives plant in 1991 to an integrated 10,000-tonne light stabilizer base in Asia.

Last Updated: 2021-01-26

Three sites — Daxing, Gu'an and Cangzhou — and what each one is for.

Last Updated: 2020-08-11

Every credential Tiangang holds, ordered by the question it answers in a customer supplier audit.

Last Updated: 2014-03-18

How Tiangang connects R&D, application technology, quality and production into one closed loop.

Last Updated: 2013-06-26

Batch-by-batch testing, retained samples and a COA with every batch: how Tiangang keeps quality measurable.

Last Updated: 2013-06-26

Tiangang Auxiliary, dedicated to polymer anti-aging since 1991.

Certifications

National High-Tech Enterprise
Vice Chairman Unit, China Plastics Processing Industry Association (CPPIA)
Vice Chairman Unit, Agricultural Plastics Branch, China Agricultural Plastics Application Technology Society
Member, Ageing Methods Subcommittee, National Technical Committee on Plastics (SAC/TC15/CS5)
Member, Society of the Plastics Industry (SPI), USA