So YiDirectingNo biography is available.Known forAt This Crucial JunctureIMDb0.0At This Crucial JunctureMovie · 1938The General of Dragon CityIMDb0.0The General of Dragon CityMovie · 1938The Sentimental WomanIMDb0.0The Sentimental WomanMovie · 1937Scent of Wild FlowersIMDb0.0Scent of Wild FlowersMovie · 1935Young ChinaIMDb0.0Young ChinaMovie · 1942Credits5AllMoviesTV showsAll departments▼1942Young ChinaMovieDirector1938At This Crucial JunctureMovieDirector1938The General of Dragon CityMovieDirector · Writer1937The Sentimental WomanMovieWriter · Director1935Scent of Wild FlowersMovieDirector