1 Z series conveyor chains. 2 High-quality alloy 3 ... CNC 5 Strong processing capacity of parts 1. We produce Z series conveyor chains ( pitch 40, 50, 63, 80, ... quality alloy steel 3. Rollers include small S type roller, large P type roller, flanged F type roller, etc. 4. Pins are steps ... plates,such as A2, A3. 6. Z series conveyor chains are widely used for various industries, such as conveyor system, ...