- Producing and trading construction clay bricks and other construction materials.

- Exploiting and processing raw materials to produce construction materials.

- Import-export trading

- Trading in petroleum agents

- Construction of civil, industrial, transportation, waterway, irrigation, technical infrastructure. Interior decoration works.

- Construction of electric lines and transformer stations up to 35KV

- 1960: The forerunner-Yen Hung Ceramic Factory belonging to Vietnam Ceramic Associations was established;

- August 1997: Yen Hung Ceramic Factory mergered with Ha Long Ceramic Company under the decision of Viglacera;

- December 22, 2003: Equitized into to Ha Long I - Viglacera Joint Stock Comany;

- December 25, 2006: Listed on HNX, with an initial charter capital of VND5 billion;

- January 2007: Renamed into Viglacera Ha Long I Joint Stock Company;

- December 31, 2008: Increased the chartered capital to VND7.5 billion;

- July 01,2009: Increased the charter capital to VND10 billion;

- April 19, 2021: Delisted from Hanoi Stock Exchange (HNX);

- April 28, 2021: Traded on the UPCOM market;

- May 12, 2021: Renamed into Yen Hung Construction Ceramic  Joint Stock Company;