Ashton Chen played one of  Ip Man's students in a martial arts film directed by who ?
Ip Man 2 Ip Man 2 (also known as Ip Man 2: Legend of the Grandmaster) is a 2010 Hong Kong biographical martial arts film loosely based on the life of Ip Man, a grandmaster of the martial art Wing Chun. A sequel to the 2008 film "Ip Man", "Ip Man 2" was directed by Wilson Yip and stars Donnie Yen, who reprises the leading role. Continuing after the events of the earlier film, the sequel centers on Ip's movements in Hong Kong, which is under British colonial rule. He attempts to propagate his discipline of Wing Chun, but faces rivalry from other practitioners, including the local master of Hung Ga martial arts.
Showdown at the Cotton Mill Showdown at the Cotton Mill (Chinese title: 胡惠乾血戰西幝寺; Mandarin: Hu Hui Chien xie zhan xi chan si), also released as Cold Face, Heart and Blood, is a 1978 Hong Kong martial arts action film directed by Wu Ma. The film was believed to be lost until Rarescope uncovered the film in a Taiwanese film vault. It is a sequel to the 1976 film "The Shaolin Avengers", which was co-directed by Wu Ma and Chang Cheh and stars Kuan-Chun Chi as Hu Hui-Chien.