... and other trailer parts.2, We have automatic stamping machine,multi-stage stamping machine,Welding robot,advanced painting equipment,enable to new automatic ... fixing.3.HJ axle bearing position is used the grinder machine to machine to keep the concentricity. After process, to limit ... .02MM strictly.4.HJ brake lining is high performance, non-asbestos, non-pollution and long using life. To make check and ...