Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
GPU Mali G52, RAM 8GB, Battery(Built-in) 4000mAh(typ), Display Size 6.59 Inch, ROM 256GB, CPU Hisilicon Kirin 810 Octa core, OS EMUI 9.1.1 (Based on Android 9), Resolution 2340*1080 Pixel, 2×Cortex A76 2.27GHz+6×Cortex A55 1.88GHz
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):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($322.99): Email5
2. ($322.99): bgshOOp10
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGH9XP2, od7off, BGaDmITAd, BGBFAFF2019, BGMPB2020, BGHALLOWEEN
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for HUAWEI Honor 9X Pro 8/256GB? There we go.
Price records source(s): Gearbest, Banggood
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)).