JE21 Series Model D Open Back Press: High-Speed Precision Stamping Solution for Modern Manufacturing The JE21 Series Model D Open Back Press is a high-performance mechanical stamping machine designed for efficient, precise, and stable metal forming operations. Its open-back structure allows easier die handling, faster setup, and improved production flexibility, making it ideal for high-volume industrial manufacturing. With strong rigidity, reliable transmission, and excellent automation compatibility, it delivers consistent accuracy while reducing downtime and overall production costs.