The two-stage vacuum extruder is a new type of brick making equipment designed and manufactured by our factory based on advanced domestic and foreign experience. The host is made of all steel type, and the main components are cast with wear-resistant alloy and high-frequency heat treatment technology. It has the characteristics of reasonable structure, durability, low energy consumption, high efficiency, and easy maintenance. It is suitable for shale, coal gangue, fly ash, and is an ideal equipment for producing hollow bricks and solid bricks.