Suzhou Sepax Technologies (SHA:688758) plans to offer up to 49,975,690 shares in its initial public offering on the Shanghai Stock Exchange, according to a Friday bourse filing.

The shares that the maker of liquid chromatography or molecule separation materials will offer comprise 12% of the total shareholding following the offering, the filing said.

After the offering, Sepax Technologies will have 416,464,084 shares.

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