Aliexpress
Click here… to search for VOYO i8 X27 4G 4/64GB Tablet on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
Coupon (159.99 USD): e6e560
(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): 35068b, 64bc68, 461bde
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for VOYO i8 X27 4G 4/64GB Tablet.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).