China's CAS Space targets $607 million IPO for reusable rocket R&D https://www.reuters.com/science/chinas-cas-space-targets-607-million-ipo-reusable-rocket-rd-2026-04-01/?taid=69ccb0e723bd470001c13d52 https://www.reuters.com/science/chinas-cas-space-targets-607-million-ipo-reusable-rocket-rd-2026-04-01/?taid=69ccb0e723bd470001c13d52