Aliexpress
Click here… to search for Xiaomi Mi Ruby 2019 i7-8550U 8/512GB MX110 Laptop 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 (719.99 USD): BGXMRC2
Coupon (809.99 USD): Wholesale20
(CouponsFromChina.com tip: apply code in your basket (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): BGXM731, BGXM113, BGES505, BGXM07, aff7off, BGXM505, BGRUBY18, BGMIRUBY7, affiliate6, BGXMRUBY05, BGXMMR2019, BGXMRuby31, BGXMRuby311, BGXMRL1, BGXMRL2, BGXMRL5, BGXMRL6, BGXMRL7, BGXMRL8, BGXMRL9, BGXMRC1
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Mi Ruby 2019 i7-8550U 8/512GB MX110 Laptop? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).