... ,semi-trailer. 2,produce Brake drum, Brake lining 3,BPW standard.420*200 and 420*180mm ... . Produce brake parts similar like brake drum,brake lining,brake air chamber,slack adjust, adjuster arm,kingpin, ... degree within 0.02MM strictly. 4.HJ brake lining is high performance, non-asbestos, non-pollution and ... make check and re-place easy, HJ brake lining install the alert of exhaustion to increase safety. ...