Get coupons, create price alert or check price history out! You probably want to know what is the best price?
1 pcs/5pcs/10pcs 0.5 meter Aluminum case, 2pcs/10pcs/20pcs wall hanging, 1 pcs/5pcs/10pcs PC Cover(milk), 2pcs/10pcs/20pcs plastic end caps
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
1. ($25.82): BG589b2e
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG10OFFAFF1, BGd0b05d, BG2589f4, 00c906, BG00c906, ADMITAD2212, 2022ACTIESNL, Terence, BGLED2203, 8Couponsde, MVC8SPRING, 8BGwbg2204, BGLED2206, BGLED07
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for 10pcs LUSTREON 50cm LED Aluminum Channel Holder.
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)).