the uniforms of Nationalist Army portrayed accurately in Mainland Chinese film "The Eight Hundred"?

"The Eight Hundred" is a recent Mainland Chinese film that depicts the story of the Eight Hundred Heroes. The film excels in details, dramatic effects, and subtlety compared to past Taiwanese productions of "The Eight Hundred Heroes." However, is the military attire of the Nationalist Army portrayed accurately in the film, or does it suffer from the inaccuracies often found in Mainland Chinese dramas? Let's delve into the costume accuracy of this film.