Xiaomi Mi5 Problem - Fast draine Battery - Top One - Aliexpress

I bought the phone Top One Aliexpress - https://toponedigital.ru.aliexpress.com/store/342812?spm=2114.10010208.0.0.SZyGwW Phone is broken - I try to return the money since 05.11.2016. Today is 19.12.2016 - no money - Aliexpress don`t help me.