Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Hong Kong.
Link: Banggood product page
Coupon (551.99 USD): tRaDetRaCKeR
Coupon (557.99 USD): 2203ActiesNL
Coupon (557.99 USD): BG87a969
(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): 6GSGIT, BGAlerabatLP, BG1ad775, BGbfbd7e, BG531bc8, BG1c838d, ADMITAD2212, BGJPJANLP3, BGc0f10f, 2022ACTIESNL, BG67f40f, BG1622e0, Terence, BG968fa0, BGee1612, BG79e839, BG1ed979, BG1efeb0, BGdc9d4e, 8BGwbg2204, BG8627d5
(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 Coolby EvoBook 13.5 inch i5-1035G 16/512GB Notebook is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).