1 M series conveyor chains A2 2 High-quality alloy steel 3 CNC & automatic lathes 4 Strong processing capacity of parts 1. We ... produce M series conveyor chains ( pitch 40, 50 ... , 63, 80, 100, 125, 150, 160, 200, 250, 300, 315, 500, etc.).2. Without rollers, with ...