No one uses a big circle knife in modern times. A famous figure who used the big ring knife was the broadsword Wang Wu, but Wu Ye's broadsword was near the steel mill as early as the Cultural Revolution.
I don't know what you mean by party building, and what is the relationship between party building and broadsword. If it is far-fetched, Wang Wu really has a lot to do with Guangxu's hundred-day reform.
I wonder if I've watched too many movies recently, thinking all day and all night.