Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (36.79 USD): 8Couponsde
Coupon (36.79 USD): MVC8SPRING
Coupon (36.79 USD): 8BGwbg2204
Coupon (37.19 USD): 2203ActiesNL
(CouponsFromChina.com tip: you should apply the coupon 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): BGHONEY2110, 13f142, BANGGOODSD, BGCCARG, BG85d5c6, 2022ACTIESNL, Terence, Tabby20, BG1efeb0
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for LDNIO 2500W Power Strip Storage Box 5 AC Outlets 3 USB is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).