- Produce and trade garments.

- Produce paper package, plastic for nylon bags, nylon raincoat and materials for garment industry.

- Trade industrial equipment and machines.

- Other under business license.

- On Nov 22, 1979: TNG Investment And Trading Joint Stock Company, formerly Bac Thai Garment Factory, was established;

- In 1997: Factory was renamed as Thai Nguyen Garment Company;

- On Jan 2, 2003: Company was officially changed to Thai Nguyen Garment Export Joint Stock Company with the charter capital of VND10 billion;

- In 2006: Company raised charter capital to VND18 billion;

- On Mar 18, 2007: Company raised charter capital to VND54.3 billion;

- On May 17, 2007: Became public company;

- On Aug 28, 2007: Renamed as TNG Investment And Trading Joint Stock Company;

- On Nov 22, 2007: The company's stock was listed on HNX;

- July 27, 2017: Charter capital was raised up to VND411,17 billion.

- December 2018: Increased charter capital to VND493.40 billion.

- January 09, 2020: Increased charter capital to VND652.11 billion.

- August 11, 2020: Increased charter capital to VND704,27 billion.

- September 30, 2020: Increased charter capital to VND739.96 billion.

- August 13, 2021: Increased charter capital to VND795.36 billion.

- October 27, 2021: Increased charter capital to VND858,98 billion.