- Producing and trading glazed tile, fire-proof materials and other building materials.

- Mining and processing clay, dolomite, kaolin and calcium carbide.

- Producing metallic products and materials for steel industry.

- 25 November 1964: Truc Thon Chamotte Mine under Thai Nguyen Cast Iron and Steel Company was established;

- 1999: Renamed as Truc Thon Fire-Proof Material and Clay Company as an independent accounting unit under Vietnam Steel Corporation;

- 26 September 2005: Ministry of Industry issued the Decision No.3008/QD-BCN on the establishment of Truc Thon Joint Stock Company through equitization of Truc Thon Fire-Proof Material Company;

- 30 December 2005: Put into operation under the model of joint stock company with an initial charter capital of VND18 billion;

- 29 June 2007: Became a public company;

- 15 April 2009: Charter capital was raised up to VND33 billion;

- 12 February 2010: Charter capital was raised up to VND55 billion;

- 16 March 2017: Traded on UPCOM market;

- 09 May 2018: Charter capital was raised up to VND110 billion;

- June 01, 2021: Renamed to RedstarCera Joint Stock Company.