You can create price alert here, copy coupons and view price history. What is 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 code price check (UTC time):
Display: 5.15 inch 1920x 1080 pixels screen with 428 PPI, 94.4 percent color gamut, CPU: Snapdragon 835 Octa Core 2.45GHz, GPU: Adreno 540 653MHz, System: MIUI 8, Storage: 6GB RAM + 64GB ROM, Cameras: front 8.0MP + rear 12.0MP + 12.0MP with AF and flash light
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Mi6 6/64GB Black [HK]? There we go.
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)).