1 Z series conveyor chains. 2 High-quality alloy ... Strong processing capacity of parts 1. We produce Z series conveyor chains ( pitch 40, 50, 63, 80, 100, ... A2, A3. 6. Z series conveyor chains are widely used for various industries, such as conveyor system, agriculture, metallurgy, ... machinery parts. 8. Except manufacturing equipments of the chains, we also have automic lathes, bench lathes, grilling ...