The listing, expected to take place on July 30, is the latest in a recent run of blockbuster debuts from Chinese AI-related companies in Hong Kong, indicating optimism for China's ambitions in the sector. The Shenzhen-listed Zhongji InnoLight said in a market filing that it was seeking to raise up to HK$55 billion (US$7 billion) on the Hong Kong stock exchange.

The deal size will exceed Luxshare Precision's $3.1 billion IPO earlier this month, making it the largest listing in Hong Kong this year.

Zhongji Innolight gauges demand for a Hong Kong secondary listing that could raise up to $8 billion, potentially becoming the exchange's largest IPO of