Aliexpress
Click here… to search for CUBE Thinker 8/256GB Notebook on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (599.58 USD): Email5
(CouponsFromChina.com tip: apply it 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): ALLBGY30, bgthinker10, Wholesale20, aff7off, bgthinker14, bgthinker715, BGTHIN715, BGALL814, affiliate6, BGALL42321, BGBFCR28, BGCITYADS2019, BGMPB2020, BGAFF10OFF
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for CUBE Thinker 8/256GB Notebook? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).