In 2007, there was an exchange of fire between Huaxin Society and Momen near the provincial gymnasium, and many pictures on the scene were controlled by the police. We only know that it was the biggest exchange of fire between gangs in Zhengzhou since 1998, with 2/kloc-0 people killed on the spot, and a large number of controlled knives and 6 74 pistols were found at the scene. The police designated this incident as 174.
The specific content of the landlord can be searched online.