Wang Film Productions (also known as Hong Guang (宏廣) and Cuckoo's Nest Studio) is one of the oldest and most prolific Taiwanese animation studios, founded in 1978. The company, based in Xindian, Taipei, has done animation/ink and paint for various TV shows and films for studios in North America, Europe and Asia. Since the late 1980s, Disney has been one of Wang Film Productions's biggest clients, still using them to this day on certain projects.