What brand is the butterfly knife used by Nicholas Tse in the case of severe anger?

CIMA brand. According to relevant data, the butterfly knife used in Nicholas Tse's "Fury Case" is a CIMA brand, which belongs to atypical folding knife and is a patented product. Anger and discontent is a film directed by Chen Musheng, produced by Chen Musheng and Donnie Yen, and starring Donnie Yen, Nicholas Tse and Qin Lan. It was released in China on July 30th, 20021.