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 (18.39 USD): 8Couponsde
Coupon (18.39 USD): MVC8SPRING
Coupon (18.59 USD): 2203ActiesNL
Coupon (18.79 USD): BG00c906
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): BGUH416, 13f142, BGUG706, BGUG416, BGCM416, BANGGOODSD, 6GSGIT, BGaa8da0, 00c906, ADMITAD2212, BG17dfc4, 2022ACTIESNL, BG004b6b, Terence, Tabby20, BG34426a
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for UGREEN CM416 4 in 1 USB3.0 Hub.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).