Aliexpress
Click here… to search for HGLRC Wind6 6S Drone PNP 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 (236.82 USD): BGAFF10OFF
Coupon (236.82 USD): bGhOnEy10
(CouponsFromChina.com tip: apply it 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): BGWind6, AFfbG10, BG10New, 502C6B, BGBFCR25, BGCITYADS2019, BGVDay10%off
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for HGLRC Wind6 6S Drone PNP is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).