Aliexpress
Click here… to search for OnePlus 5T 8/128GB Red 2 [HK] on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: -1 USD.
You can set price alert (for Banggood).