New motor vehicles such as Australia, Dechang and other brands are not qualified.
the State Quality Inspection Bureau of the state recently announced the results of the national supervision on the quality of motor products used for electric bicycles in 2010, with the qualified rate of 83.6%.
a total of 140 batches of products produced by 140 enterprises in 6 provinces (cities), such as Tianjin, Hebei, Jiangsu, Zhejiang, Shandong, Guangdong, etc., the insulation resistance, voltage resistance, interturn insulation, over turn, in accordance with industry standard requirements of JB/T 10888-2008 "electric bicycles and similar use motor technical requirements" 11 main items, such as moment, temperature rise, low temperature, low temperature, high temperature, damp heat, vibration test, protection grade test (splash proof) and torque, speed and efficiency, were tested.
results show that the 23 batches of the 23 enterprises do not meet the standard requirements, involving Kwan Shuo, Dechang, new Australia Ma, Hang Hong, Hongyuan, Shun Ma, PUGOYYING dandelion and other brands. Unqualified items involve torque, low temperature, high temperature, humidity and heat, efficiency, speed and so on.