Shenzhen CSL Vacuum Science and Technology (SHA:688785) launched its initial public offering on the Shanghai bourse, seeking to offer up to 16.9 million shares, according to a prospectus filed Thursday.

The semiconductor equipment components manufacturer's IPO shares will constitute 25.01% of the company's entire shareholding following the offer.

Upon completion of the IPO, Shenzhen CSL Vacuum Science and Technology's share capital will rise to 67.7 million shares.

CITIC Securities (HKG:6030, SHA:600030) is the sponsor and lead underwriter of the offering.