Aliexpress
Click here… to search for Niwalker Nova MM18 Flashlight 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 (166.32 USD): BGTORCH
Coupon (169.99 USD): BGMM18
(CouponsFromChina.com tip: this code has to be applied 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): EYBG, BGBFCR41
(these coupons are old, so probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for Niwalker Nova MM18 Flashlight? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).