... and transporting personnels. The product is mainly used for various types of mine shafts to do to ... JKMD Technical Features:1, spindle and wheel hub for the whole forging, the friction wheel spokes with ... 7, using low-speed DC motor, the stator for the split type, the rotor is suspended directly ... and the motor shaft in the bearing and lubrication points , transmission smooth, low noise environment.8, DC ...