- Mining, processing and mechandising coals and other minerals.

- Building mine works, industrial and civil works. leveling premises.

- Manufacturing, repairing, processing mine equipment, transportation vehicles and mechanical products.

- Other under business license.

- From 1907 to 1955: Originated from coal mine of French owners;

- From 1955 to 1960: Belonged to Cam Pha mine;

- March 1960: Changed to Hon Gai Coal Company;

- August 1, 1960: Established Coc Sau Coal enterprise;

- September 2001: Renamed as  Coc Sau Coal Company;

- January 2, 2007: Changing to TKV - Coc Sau Coal Joint Stock Company with the chartered capital of VND100 billion;

- June 26,  2008: Listed on HNX;

- October 12, 2011: Increased charter capital to VND129.98 billion.

- August 17, 2016: Renamed as Vinacomin - Coc Sau Coal Joint Stock Company.

- 2016: Increased charter capital to VND324.96 billion.