Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Sorry, but there’s no price history in my database.
Link: Banggood product page
Coupon (28.51 USD): 8Couponsde
Coupon (28.51 USD): MVC8SPRING
Coupon (28.51 USD): 8BGwbg2204
Coupon (28.82 USD): 2203ActiesNL
Coupon (29.13 USD): BG00c906
(CouponsFromChina.com tip: apply it 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): BGCuponation10, 13f142, BGHONEY2110, BG2589f4, 00c906, ADMITAD2212, 2022ACTIESNL, Terence, Tabby20, BG1efeb0
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: 13.99 USD.
You can set price alert (for Banggood).