This machine features advanced performance, rational structure, high sample preparation efficiency, and excellent sealing performance. It is suitable for the crushing and processing of various metal and non-metallic ore raw materials for laboratory tests. It can be selected by geological, mining, metallurgical, coal, building materials, and research institutions that require laboratory crushing and processing. It can also be used for dry and wet grinding, grinding materials, mixing materials, and uniform sample preparation. The equipment installation does not require foundation treatment, has low noise, no dust pollution, and is clean and convenient to operate. The grinding and sealing performance is good.