Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
Coupon (159.79 USD): BG589b2e
(CouponsFromChina.com tip: apply code in your basket (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): BGWSCYT1, BGde2f67, BGSaleFeb8, BGSaleAD, BGc209d1, BGMARCHSALE
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for Huawei AX6 WiFi Router? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).