Aliexpress
Click here… to search for Xiaowei Automatic Soap Dispenser 320ml on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment.
Link: Banggood product page
Price: -3 USD
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
Old coupons (from the oldest to the newest): BGSOAPDISP42, BgcLuBofErtA10, BGSOAPBF42, BGAFF10OFF, BGCuponation10, BGSOPACN12, 13f142, BGAP0610, BG10OFFAFF, BGIS2606, BGwhielabel, BG10OFFAFF1, BGAU1202, BANGGOODSD, 6GSGIT
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for Xiaowei Automatic Soap Dispenser 320ml.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).