Xiaomi Diiib 1150mm Shower Set (Banggood, Aliexpress: PVC, Size 520x 283x 1150mm, Color Silver, Model DXHW001, Material ABS, Type 6 Water modes, Weight 3.5KG, Stainless steel (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.
Link: Banggood product page
1. ($243.86): BGAFF10OFF
2. ($243.86): BGTT10
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): AFfbG10, BGhardware, 502C6B, BGBFAFF2019, BGDH16, BG2020NS, bGhOnEy10, BGdragonBoat, bgshOOp10, BGHWDEALS, BgoFErTaSchInA10
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Diiib 1150mm Shower Set. The lowest price was: $209.69.
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)).