... torque, 3.increased climbing power has great 4.green product. dc motorfor tricycle1, security: beginners or reverse, the use of ... low-grade traffic, extending continues the course of 20-30 km..4, Battery life: small current high-torque, the effective mitigation ... extending battery life 30%, reduce the use of the cost. dc motor.PRODUCTION PROCESS.AUTOMATIC WIRINGPRODUCTION LINEQUALITY CONTROL:PACKING ...