China’s state-owned carmakers are realigning their operations on the mainland, forming tie-ups with domestic partners after relying on foreign marques for decades, as they focus on electric vehicles (EV) in the world’s largest market for clean-energy cars.Juggernauts from FAW Group, mainland China’s oldest carmaker, to SAIC Motor, the country’s largest carmaker until 2023, are taking steps to adopt home-grown technologies like autonomous driving software and digital cockpit systems to grow...