Aliexpress
Click here… to search for DIGOO DG-HX532 Electric Sterilization Shoes Dryer on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood.
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): BGDRY11, AFfbG10, BGDG15, BGdigoo15, BGioswn, BGDigoo15%, BGowew, 20%DG422, BGXXXBJP, bGhOnEy10, BGdragonBoat, BGSS10%SW, BGDGASG, BGHome15%, BGHOMEA15%, BgcLuBofErtA10, BGHBHJ105, 13f142, BGCuponation10, BGMA1806, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BGGROC112
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for DIGOO DG-HX532 Electric Sterilization Shoes Dryer.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).