Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (11.62 USD): AFfbG10
Coupon (11.62 USD): BGBFAFF2019
Coupon (11.62 USD): BGCITYADS2019
(CouponsFromChina.com tip: put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): CJ20, 445d1b, CODE1573, b7d250, vipupgrade8, d8f2bb, 7c77a4, cef3f8, TTxBG10, BG688cse, bgssaff9, BG65CJ
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi CIRCLE JOY Wine Decanter.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).