Qingtao Energy Development Group has filed for a Hong Kong listing, submitting its prospectus to Hong Kong Exchanges and Clearing on April 8. Guotai Junan International, CICC, and China Merchants Securities International are acting as joint sponsors. Founded in 2014, Qingtao Energy focuses on translating solid-state battery research into commercially deployable products. It develops its technology in-house and is working to expand the use of solid-state batteries across power and energy storage...