Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (49.59 USD): BG3a8261
Coupon (58.27 USD): BG589b2e
(CouponsFromChina.com tip: you should apply the coupon in your cart 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): BG957337, BGde2f67, BGMARCHSALE
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for Lenovo Thinkplus TU200 Pro USB3.2 Gen1 Type-C 512GB Flash Drive? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).