Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (68.74 USD): BANGGOODSD
(CouponsFromChina.com tip: you should apply the coupon in your cart 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): bGhOnEy10, bgshOOp10, BGHome15%, BGHOMEAPP13, BGHOMEA13, 7d18f7, 13f142, BG10OFFAFF, BGwhielabel, BGYY001, BG10OFFAFF1
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for Xiaomi Bear QSJ-B03L5 300W 2L Meat Grinder is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).