This rifle was a altered German model. The Chinese bought the German rifles before WW2 and then was remade to fit the Chinese's needs. It was used in WW2 along with one other type of rifle.
Infantry Light Mortar
The Infantry Light Mortar was a small mortar that was able to be carried by the standard infantry unit. It launched mortar shells that was basically was a giant incendiary bullet. It was collapsible and able to be resized at will.