Aliexpress
Click here… to search for Meiigoo M1 6/64GB Black on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (201.81 USD): BGBFAFF2019
Coupon (208.53 USD): od7off
Coupon (215.23 USD): 7bcdf9
(CouponsFromChina.com tip: apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): affiliate6, aff7off, bgssaff9, BGaDmITAd
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Meiigoo M1 6/64GB Black.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).