Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – CHUWI MiniBook M3-8100Y 8/256GB Tablet [EU] (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. 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): BG7ee177, 7bcdf9, aff7off, BGCWMar04, BGJPMB8100, Email5, BG38f60d, BG86b21f, bgshOOp10, 7d18f7
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – CHUWI MiniBook M3-8100Y 8/256GB Tablet [EU] (-3 USD)
Price history and price alert
Do you need price history chart (for all/most countries) for CHUWI MiniBook M3-8100Y 8/256GB Tablet? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).