Aliexpress
Click here… to search for Cenava PIPO W14 14.1inch N3450 8/128GB/512GB Notebook on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
Coupon (379.59 USD): 13f142
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): Email5, BGCENP14K, BGCENP140S, BGCENP14C, BGCENP14T, BGCENP14Y, BGCEP14C1, BGCEP14C2, BGCEP14C3, 7d18f7, BGCEP14C4, BGCEP14C5, BGCEP14C6
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Cenava PIPO W14 14.1inch N3450 8/128GB/512GB Notebook.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).