... ,Supply york brake shoe for truck,semi-trailer. 2,produce Brake drum, Brake lining 3,BPW standard.420*200 and 420*180mm ... painting line.3,Optimized design,reasonable techniques,ensure HJ to provide customers with assorted and high performance 9T-18T semi trailer axles ... HJ bogie&trailer axle beam, which has the advantages of small, high intensity, over loading capability and not easy to distort, is ...