- On December 03, 1992: The predecessor, the Automobile Display Store and Repair Workshop (SAMCO3), was established under Saigon Automobile Mechanical Company (now Saigon Transportation Mechanical Corporation).
- On June 01, 2000: HAX officially commenced operations as a joint stock company.
- In October 2003: Increased charter capital to VND 11.25 billion.
- On August 11, 2004: Became the first distributor of Mercedes-Benz in Vietnam.
- In August 2005: Increased charter capital to VND 16,257,300,000.
- On December 26, 2006: Listed shares on the Ho Chi Minh City Stock Exchange (HOSE).
- In January 2008: Increased charter capital to VND 43,312,110,000.
- In October 2009: Increased charter capital to VND 80,558,460,000.
- On July 14, 2017: Increased charter capital to VND 233,424,330,000.
- On July 03, 2018: Increased charter capital to VND 350,133,990,000.
- On August 19, 2019: Increased charter capital to VND 367,443,990,000.
- On June 17, 2021: Increased charter capital to VND 477,669,820,000.
- On November 22, 2021: Increased charter capital to VND 495,169,820,000.
- In August 2022: Increased charter capital to VND 569,434,000,000.
- In March 2023: Increased charter capital to VND 719,434,000,000.
- In June 2023: Increased charter capital to VND 899,275,650,000.
- In December 2023: Increased charter capital to VND 934,275,650,000.
- In May 2024: Increased charter capital to VND 1,074,396,810,000.
