- July 12, 2007: Plastic Additive Joint Stock Company (PGN) was established, business registration certificate No. 1903000318, with an initial charter capital of VND 20 billion;
- December 8, 2010: Decreased charter capital to VND 16 billion;
- December 27, 2017: Increased charter capital to VND 33 billion;
- October 19, 2018: Officially becoming a public company;
- June 03, 2019: Listed on Hanoi Stock Exchange (HNX);
- April 22, 2021: Increased charter capital to VND67,97 billion;