What is the name of the largest film production company of Hong Kong that produced "Return of the One-Armed Swordsman"?
The New One-Armed Swordsman: The New One-Armed Swordsman, also known as Triple Irons, is a 1971 Hong Kong "wuxia" film directed by Chang Cheh and produced by the Shaw Brothers Studio, starring David Chiang. The New One-Armed Swordsman:  Chiang replaced Jimmy Wang, the star of the two preceding films in the series, "The One-Armed Swordsman" and "Return of the One-Armed Swordsman". Shaw Brothers Studio: Shaw Brothers (HK) Ltd. () was the largest film production company of Hong Kong.
Shaw Brothers Studio