The GR series vacuum tumbler uses the principle of physical impact in a vacuum state to allow the meat or meat to be turned up and down in the drum to achieve massage and pickling. The pickling liquid is fully absorbed by the meat, which enhances the binding force and water retention of the meat, and improves the elasticity and yield of the product. The machine is made of stainless steel, with round head, reasonable structure, large rolling space, stable operation, low noise, reliable performance, easy operation and high equipment efficiency. The blade has a circular arc shape and unique design, which makes the marinade evenly distributed, does not cause damage to the surface of the product, and improves the softness and appearance of the product.