- 25 September 1979: Bac Thai Nonferrous Metallurgy Union Enterprise under the Ministry of Metallurgical Engineering was established under the Decision No.349-CP issued by the Govenmental Council;
- 20 April 1993: Renamed as ThaiNguyen Non Ferous Metals One-Member Limited Company under the Ministry of Heavy Industry;
- 12 November 2004: Renamed as ThaiNguyen Non Ferous Metals One-Member State-Owned Limited Company under the Decision No.130/2004/QD-BCN issued by Minister of Industry;
- 2006: Became a subsidiary of Vinacomin - Minerals Holding Corporation;
- 17 December 2010: Renamed as ThaiNguyen Non Ferous Metals One-Member Limited Company;
- 21 February 2014: Board of Members of Vietnam National Coal - Mineral Industries Group issued the Decision No.212/QD-TKV on approving the plan of equitizing and transforming ThaiNguyen Non Ferous Metals One-Member Limited Company into ThaiNguyen Non Ferous Metals Joint Stock Company;
- 07 April 2014: Initial Public Offering (IPO) was launched at Hanoi Stock Exchange (HNX) with an offered quantiy of 7,096,000 shares and average winning bid of VND18,888 per share;
- 01 July 2014: Put into operation under the model of a joint stock company with a charter capital of VND180 billion;
- 21 November 2014: Became a public company;
- 07 February 2017: Traded on UPCOM market;