The volume of this vacuum box is relatively large, one cubic meter. We have made a full-door design, the size of which is 1 meter * 1 meter, which is convenient for materials to enter the vacuum box. Double doors are made at the front and back. The box can reach a pressure of 1000Pa. The internal plate of the vacuum box is made of 5mm thick sheet metal. The outside of the box is all reinforced with square steel.
