... is synchronous with world advanced heavy trucks, a digital control syncmotor for driving all instruments, a four-point full-float spring suspension plus ... with dual lock structures, an external sun visor, a hand throttle, a German VDO sound system (with USB and AUDIO-IN ... mainly comprises an I-shape Beam, a Universal Joint, a Steering Pin, a Steering Knuckle Arm, a Steering Arm and so on. Steering ...