... trailer parts, axles to be exported to many countries. The parts are as follow: Twist lock, fifth wheel for ... square spring plate, press plate, front hanger, leaf springs, brake chambers etc. for the 770, 930, 90 series. Hand breakers: 788601, ... gear,slack adjuster,twist lock,leaf spring,fifth wheel,king pin,suspension parts, axle etc.Welcome you requirement for further cooperation. slack adjuster