Who put forward party member's distinctive identity?

Party member's distinctive identity was put forward by Ning Guang. According to relevant information, Ning Guang proposed that party member, the China Film Production Party, should reply to an initiative letter from the Organization Department of the Municipal Party Committee to party member. Every branch is a fortress, and every party member is a flag. At this time, it is very important for the stability and effective organization of the whole society to clearly show party member's identity and play an exemplary role.