Chinese mainland-based Lens Technology Co aims to raise up to HK$4.77 billion ($608 million) listing its shares in the Hong Kong Special Administrative Region, a regulatory filing showed on Monday.

The company, which makes glass and metal products used in smartphones and watches, will issue 262.3 million H-shares with a maximum offer price of HK$18.18 per share, it said in the filing to the Hong Kong exchange.

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Its filing adds to a rebound this year in Hong Kong equity offerings as Chinese mainland firms are increasingly seeking second listings to help fund their global expansion plans.

Fast-fashion retailer Shein plans to file possibly this week a draft prospectus for a Hong Kong listing, Reuters reported.

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Battery giant CATL raised $4.6 billion in its Hong Kong listing in May, which was the world's largest so far this year.