HUAWEI HONOR 20 8/128GB (Banggood, Aliexpress: PPI 412, ROM 128GB, NPU Dual NPU, 16.7M Colours, Type TFT LCD (IPS), Resolution FHD+ 2340*1080 pixels, CPU HUAWEI Kirin 980 Octa-Core (2*Cortex-A76 Based 2.6GHz+ 2*Cortex-A76 Based 1.92GHz+ 4*Cortex-A55 1.8GHz), GPU Mali-G76 720MHz, Display Size 6.26 inch, RAM 8GB, OS Magic UI 2.1.0 (Base on Android 9.0) (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($372.99): Email5
2. ($372.99): bgshOOp10
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGHH20, aff7off, 7bcdf9, od7off
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for HUAWEI HONOR 20 8/128GB is here. The lowest price was: $341.99.
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)).