China’s drive for economic self-reliance is raising the spirits and prospects of its semiconductor industry, as insiders expect more home-grown technologies after Washington revoked waivers for some foreign-owned chipmakers’ factories in China to use US technologies in their operations. The Chinese branches of South Korean chipmakers Samsung and SK Hynix, as well as Intel Semiconductor (Dalian), will lose their fast-track status for compliance as “validated end-users”, meaning they will need to...