Aliexpress
Click here… to search for 1STPLAYER BLACK SIR C6 Laptop Cooling Pad on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
Coupon (52.99 USD): 13f142
(CouponsFromChina.com tip: just apply this code 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): 19BGC6, 502C6B, 38BGC6, e2bcea, TTxBG10, BG3CSUM, AFfbG10, BGBFCR29, BGCITYADS2019, BGVDay10%off, BGMARP, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGCuponation10
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for 1STPLAYER BLACK SIR C6 Laptop Cooling Pad.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).