Xiaomi DABAI Bathroom Pull Out Rinser Sprayer (Banggood, Aliexpress: Installation Nut – PP, Product Dimension: 213*52*289mm, Handle – Zinc Alloy, Connection Joint: M33*1.5, Gargling Mode, Hole Diameter: φ33~38mm, Color: Black, Misting Mode, Water Out Mode: Rinsing Mode, Product Weight: About 1.9kg, Material: Body – Zinc Alloy, Type: Bathroom Basin Faucet Mixer Tap (High body version), Spout Height: 206mm (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): Faucet12, BG2646, BG3571, AFfbG10, 502C6B, BGBFCR43, BGCITYADS2019, BG7589, bGhOnEy10, BGYJ001, BgoFErTaSchInA10, BgcLuBofErtA10, BGAFF10OFF, 7bcdf9, BGCuponation10, BGHONEY2110
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi DABAI Bathroom Pull Out Rinser Sprayer. The lowest price was: $95.19.
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)).