Aliexpress
Click here… to search for VOYO i7 8GB 1TB Notebook 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 (559.99 USD): BGVY702
Coupon (579.99 USD): Wholesale20
(CouponsFromChina.com tip: coupon code has to be applied in shop’s 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): 1B2GVO26, 19BGVOYO, 19BG26VO, TECH8%, 19BGVO311, 19BGVO325, 19BGVO401, 19BGVO5, BGVO702
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for VOYO i7 8GB 1TB Notebook.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).