In November 1999, UNIS held its initial public offering becoming a listed company on the Shenzhen Stock Exchange.

[2] During its early years, UNIS operated at low profitability and suffered losses in 2001 and 2005.

[2] In September 2015, UNIS agreed to pay $3.78 billion for a 15% stake in Western Digital.

[3] However, in February 2016, Unisplendour announced it would not move forward with its offer following a decision by the Committee on Foreign Investment in the United States (CFIUS) to investigate the deal.

[6] In May 2024, Hewlett Packard Enterprise announced that UNIS would acquire a further 30% stake in H3C for $2.1 billion.