Xiaomi Under Shelf Holder (Banggood, Aliexpress: Color: Light Grey, Size: 392x 260x110mm, Applicable Thickness: ≤2.5cm, Material: Soft Steel (the best price with coupon)).
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($21.99): 13f142
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 and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): 6c7ec5, 1ef1ea, dlz144, Hardware, TTxBG10, BGILMI1399, BG2646, BG2756, BGShelf, AFfbG10, 502C6B, BGBFAFF2019, BGCITYADS2019, BG2020NS, FBCOUPON1, BGHWDEALS, BGAFF10OFF, BGCuponation10
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Under Shelf Holder? There we go. The lowest price was: $8.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).