Aliexpress
Click here… to search for T-Bao Tbook X9 8/256GB i3-5005U Laptop on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (323.99 USD): BGBFCR28
Coupon (323.99 USD): BGCITYADS2019
Coupon (329.99 USD): BGTBX9L
Coupon (339.99 USD): Wholesale20
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply 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): 424BG908, 5BG908, BGX9256, aff7off, affiliate6, BGTBA1, BGTBA2, BGTBX98, BGTBS3
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for T-Bao Tbook X9 8/256GB i3-5005U Laptop.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).