vacuum tumbler for sale3. This machine can adjust pressure between 0.1-0.8MPa according to the product, the pressure gauge can show injection pressure direct-viewing and convenient. Meat Slicer4. This machine adopts the frequency conversion speed controller. The chain stepping distance, the chain stepping speed, and the needle injection speed can be adjusted synchronously. 5. This machine is equipped with the automatic protection needle device, when the entry needle meet with the hard object, it