Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe .
Link: Banggood product page
Coupon (27.27 USD): BGSCM75
Coupon (28.20 USD): Cuponation9
Coupon (28.51 USD): BG8ReviTrage
(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): BGcce579, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, BG3a78dd, BGdcbfa8
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for 79-1 1000mL Hot Plate Magnetic Stirrer [EU] is here.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).