Just check coupons out (with price alert and history). You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Android 6.0 5.5 inch Helio X27 Deca Core 2.6GHz 4GB RAM 32GB ROM 13.0MP Dual Rear Cameras Fingerprint Scanner
Price history and price alert
Here is price history (for all/most countries) for UMIDIGI Z Pro 4/32GB Black.
Price records source(s): Gearbest
Click on image to enlarge.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).