The image is a photograph of a sign with Chinese text on it. The sign is located in a room with plants and other objects in the background. The text on the sign is written in both English and Chinese.

The main part of the sign has a blue background with white text. Below the text, there is an image of a machine gun. The machine gun is silver in color and appears to be made of metal. It has a long barrel and a handle on the right side. The gun is positioned on a rock and is pointing towards the left side of the image. The image also includes a description of the machine gun, which states that it is a 120mm advanced mobile mortar system that has similar design to the 120mm mortar system.