Aliexpress
Click here… to search for Lingwin N1 Phone 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 (17.52 USD): BGAFF10OFF
Coupon (17.52 USD): BGdragonBoat
(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): BGVDay10%off, aff7off, BGAFF7OFF, bGhOnEy10, BGTT10, BGSS10%SW
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for Lingwin N1 Phone is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).