Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (679.99 USD): BG9012f2
(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): BGGRNS255S, BGESNV350, 6GSGIT, BGAlerabatLP, BGe038ed, BG32a04e, 2022ACTIESNL, BGd7fb41, BG56ae47, BGe3419a, BGa110da, BG51ef22
(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 NVISEN GLX255 Laptop 15.6 inch I7-1065G7 MX330 8/512GB? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).