D-450 tenderizing machine is used to cut the fiber in meat. The surface area of tenderized meat products is increased without breaking the size of meat pieces. Improve the curing efficiency, shorten the curing time, improve the yield of meat, and improve the meat structure. This machine adopts the motor reducer to drive the sprocket transmission mode, which not only ensures the reliable transmission, but also reduces the vibration and noise, and improves the stability of mechanical operation. The whole machine has elegant appearance, coordination, reasonable structure, stable and reliable performance, simple and convenient operation, and the tool holder is removable and easy to clean. The distance between two axles is adjustable (100-140mm). The whole machine is made of high-quality stainless steel.