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 (39.30 USD): BGHONEY2110
Coupon (39.30 USD): BG10OFFAFF
Coupon (39.30 USD): BGwhielabel
Coupon (42.67 USD): 13f142
(CouponsFromChina.com tip: 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
Old coupons (from the oldest to the newest): BGAutoPart, BgAuMotor, BGMM0822, AM15prime, BGMM0904, BGBaseusPump, BGBaseAirPump, BGpage5022, 502C6B, AMPrime01, Automo, BG1111CAR, BGwkbaseus, BGBaseusP11, BGpg6650, ea1da3, BGpage7470, BGAutos, BGSP63, BGCARELEC, BGCARPRO, BGAFF10OFF, BGCuponation10
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Price history (for all/most countries) for Baseus Portable Tires Inflatable Air Pump is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).