Wang Film Productions Co., Ltd. (also known as Hong Guang Animation (宏廣) and Cuckoos' Nest Studio) is one of the oldest and most prolific Taiwanese-American animation studios since 1978. The company, based in Xindian, Taipei and Los Angeles, California, has done traditional hand-drawn 2D animation/ink and paint for various TV shows and films for studios in North America, Europe and Asia.