Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe . Well, there is one coupon available right now.
Link: Banggood product page
Coupon (347.99 USD): BGc4ca88
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): BGCZ713, bGhOnEy10, BGOMG15, 7d18f7, 13f142, BGCuponation10, BGCZAOC, BG958dc3, BG50be7c, BGf67fd5, BG91c06e
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for AOC U4308V 43Inch 4K Monitor [EU].
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).