Changchun UP Optotech (SHE:002338) shares rose 3% in recent trade as 25.6%-owned Changchun Gpixel applied for a Hong Kong initial public offering.
Changchun Gpixel develops image sensors for machine vision, scientific instruments and professional imaging, according to a June 21 filing with the Shenzhen bourse.
Changchun UP Optotech manufactures precision photoelectronic instruments and optical elements.