All the battery company need produce the good battery to the customer, so we only supply the good battery to customer after testing.
Here are some picture from the the factory who use zhenglong battery.
I hope the battery won't sell to the cutomer.
Please buy the battery and the parts from reliable supplier. we will become your reliable supplier in the future.buy the good quality goods from www.b-t-n.cn
we need reliable supplier in china
China ebike parts wholesale business cooperative.
Online shop: http://www.aliexpress.com/fm-store/904105
Email: hz1stcare [at] 163.com
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