Aliexpress
Click here… to search for Xiaomi Air 12.5 4/128GB M3-8100Y Laptop on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was 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): BGXMMIN3, aff7off, BGXM0716, od7off, BGXMAIR839, BGXM125810, BGXMM12581, BGXMM125811, BGXMM2, BGXMM3, BGXMM4, BGXMM6, BGXMM9, BGXMMG1, BGXMMG2, BGXMMG3, BGXMMG5, BGXMMG7, BGXMMG8, BGXMMG9, BGXMMIN1, BGXMMIN2, BGXMMIN4, BGXMMIR5, Wholesale20, BGXMMIR6, BGXMMIR7, BGXMMIR8, Email5, BGXMMI11
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Air 12.5 4/128GB M3-8100Y Laptop.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).
it is 499$ flash sale now. But codes not working anymore.. if you find additional discount please add.
There’s no working code ATM. Keep watching this site. Cheers