The JKY75-70 bipolar vacuum extruder is a combination vacuum hard plastic extrusion equipment manufactured by drawing on advanced foreign technology and processes, combined with the characteristics of domestic hard plastic extrusion, and equipped with a robot billet system. An automatic production line suitable for new wall materials with an annual output of 100-130 million (converted standard bricks) per unit. Suitable for producing irregular bricks such as large block bricks, rectangular bricks, KP1 bricks, etc.