Aliexpress
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
Coupon (377.19 USD): tRaDetRaCKeR
Coupon (377.19 USD): 8wEbgaInS5
Coupon (377.19 USD): pROMo8cuPoN
Coupon (381.29 USD): 2203ActiesNL
(CouponsFromChina.com tip: this code has to be applied 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): BGEUCX105, BGLT152EU, BGGRCE152, BGILCE319, 6GSGIT, BGCUU48, BGF152UU, BGCEF152, BGF152UE, BG53d2b0, ADMITAD2212, BGe128bc, 2022ACTIESNL, BGd2bc3a, BGe23fbf, BG1efeb0, MVC8SPRING, 8BGwbg2204, BG8c1b1d
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for CENAVA F152 15.6 inch J4105 12/256GB Laptop.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).