Aliexpress
Click here… to search for CHUWI CoreBook Pro i3-6157U 8/256GB Notebook on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. I don’t think there is an active coupon right now – at least in my database.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGCWCP51, BGCWCP52, Email5, BGCWCP53, BGCWCP54, BGCWCP58, BGCWBF016, BGCWCP59, BGCWCP60, BGCWCP11, BGCWCP61, BGCWCP62, BGCWCP2K, BGCWCPB13, BGCWCES1, 7d18f7, BGCWCPB14, BGCWCPBK5, BGCWCPB15, BGCWCPB16, BGCWNY1, BGCWCP57, BGCWCPB17, BGCWCPB18, BGCWCPS8, BGCWCPB19, BGITCWCB8, BGCWCPB20, BGITCW51, BGCWCB2K, 13f142, BGCWCP70, BGCWCPB21, BGPRCWP51, BGCW851, BGITCWI2K, BGCWSP02, BGCWCR01, BGCW04, BGCWCR02, BGITCW281, BGCW852, BGCWML5, BGCWCR03, BGESCWP31, BGCWCR05, TTBLACK5, BGCAPITALOS8, BGNEWYEAR8
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for CHUWI CoreBook Pro i3-6157U 8/256GB Notebook.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).