Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Input Interface Type-C, Material Aluminium Alloy+ABS, Model YG-2121, Color Dark Grey, Product Type 7 IN 1 Type-C Docking Station
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update.
Link: Banggood product page
Price: $-3
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 and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG2dbc5b, BGHUB15OFF, BG96af8c, BG975636, BG589b2e
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Mechzone 7 in 1 Type-C Docking Station USB-C Hub.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).