Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Huawei Honor 8X Max 4/128GB Blue (-3 USD)
2. China – Huawei Honor 8X Max 4/128GB Red (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
Coupon (277.78 USD): 7d18f7
(CouponsFromChina.com tip: just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): 9BG8XM128, 9BG8XM128ES, PCNETWORK, aff7off, bgssaff9
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Huawei Honor 8X Max 4/128GB Blue (-3 USD)
2. China – Huawei Honor 8X Max 4/128GB Red (-3 USD)
Price history and price alert
Do you need price history chart (for all/most countries) for Huawei Honor 8X Max 4/128GB Black? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).