Bu Wancang, also known by his English name Richard Poh, was a prolific Chinese film director and screenwriter active between the 1920s and the 1960s. He was born in Anhui.

The United Photoplay Service Company was one of the three dominant production companies based in Shanghai, China during the 1930s, the other two being the Mingxing Film Company and the Tianyi Film Company, the forerunner of the Hong Kong-based Shaw Brothers Studio.