Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. As you can see I didn’t find any active coupon for this product right now…
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGd31adf, BG520ae7, BG4ad474, BG4bd43f, 8BGwbg2204, tRaDetRaCKeR, hoNEYbGdeAlS, BG93931e, BG040314, BGJUNEGSG9, BG98b0a0, BG8ce717, Cuponation9, 9OFFSUMMER
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for HOTWAV CYBER 7 5G 8/128GB Dimensity 700 NFC is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).