Apple Inc supplier Lens Technology Co has raised HK$4.8 billion ($607 million) after pricing its listing in the Hong Kong Special Administrative Region at the top of the marketed range, according to terms of the deal seen by Bloomberg News.

The Shenzhen-listed company has sold 262.3 million shares at HK$18.18 each, the terms show, confirming an earlier report by Bloomberg News. Lens Technology had offered the shares at HK$17.38 to HK$18.18 apiece. 

The HK$18.18 price reflects a discount of 30 percent to Lens Technology’s closing price of 23.74 yuan on Friday.

The company, which makes mobile-phone-glass covers and other components for consumer electronics, joins the growing wave of companies listed on the Chinese mainland seeking to go public in the HKSAR. Lens Technology expects the shares to start trading in the city on Wednesday.

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Proceeds from the sale will be used to expand the company’s product and service portfolio, broaden its overseas presence and production capacity, as well as for work on smart-manufacturing projects such as automated industrial systems, according to a prospectus for the listing.

Citic Securities Co is the sole sponsor for Lens Technology’s listing.