- Producing and trading civil steel products: stainless steel water tank, stainless steel sink, solar water heater, composite water tank, plastic water tank

- Producing and trading industrial steel products: stainless steel welded industrial pipe, stainless steel welded ornamental tube, industrial stainless steel, stainless steel flat bar, V-shape bars, BK industrial water tank

- Environmental waste treatment.

- 1998: Established under the name as Sonha Mechanical and Metal Ltd., Co with the initial charter capital of VND 600 million;

- 2006: Raised the charter capital to VND 41 billion;

- 2007: Equitized and renamed as Sonha International Corporation;

- 2008: Put into operation manufacturing factory No.2 at Phung industrial zone;

- 2009: Listed on Ho Chi Minh Stock Exchange (HOSE) with the charter capital of VND150 billion;

- 2010: Increased the charter capital to VND250 billion through additional share issuance;

- 2014: Increased the charter capital to VND367 billion through additional share issuance;

- December 02, 2016: Increased the charter capital to VND611,895,030,000;

- August 06, 2018: Increased the charter capital to VND674,273,370,000;

- November 27, 2018: Increased the charter capital to VND853,873,370,000;

- August 01, 2019: Increased the charter capital to VND870,881,810,000;

- December 18, 2020: Increased the charter capital to VND914,259,270,000;