Aliexpress
Click here… to search for GANZO Firebird FB7603-CF Knife 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 (30.58 USD): bGhOnEy10
Coupon (30.58 USD): BgcLuBofErtA10
(CouponsFromChina.com tip: you should apply the coupon 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): BGGANZOBF, AFfbG10, 502C6B, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for GANZO Firebird FB7603-CF Knife.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).