Aliexpress
Click here… to search for Ajazz AK33 Mechanical Keyboard on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
Coupon (46.79 USD): BGAFF10OFF
(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): 04ce0d, dcac5f, TTxBG10, e18b44, BG3CSUM, BGCPP03, BGCPP003, AFfbG10, 502C6B, BGCITYADS2019, BGVDay10%off, bGhOnEy10, BGdragonBoat, BGSS10%SW, BgcLuBofErtA10, BGUSAK33
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for Ajazz AK33 Mechanical Keyboard.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).