The Chinese firm is aiming to raise US$8 billion in its Hong Kong listing on July 30, making it the city’s biggest share sale in seven years.

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