... features of fewer trouble, simple operation, high efficiency and specially made die. 1,With centralized valve control system, the steam can ... be added reliably and easily.2,With main drive and pressing chamber upgraded, the capacity and ... adding system. 5,The cutting knife is made of high-speed tool steel or special alloy and about 2- ... 1.5-5.0 2-6 3-8 High-efficiency Shrimp Pellet Mill