Aliexpress
Click here… to search for Huawei MediaPad T3 KOB-W09 3/32GB Tablet on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (141.80 USD): 65f0e0
Coupon (151.58 USD): aff7off
Coupon (151.58 USD): bgchinafest
(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): 6b17bd
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for Huawei MediaPad T3 KOB-W09 3/32GB Tablet is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).