Jaw Crushers are mainly used for crushing bulk materials, such as limestone. Usually, to maximize on the life of the jaw crusher itself, YaoYu VAUTID 100 chromium carbide overlay plate is recommended for the shell of the jaw crusher.  However, not all the parts can be changed to chromium carbide overlay plate due to the specific applications, such as the jaw plates inside the jaw crusher, other easy to wear parts can be lined with our wear plates except the jaw plate, see the image below.