Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (107.63 USD): BGAUGUST8
Coupon (109.97 USD): BG589b2e
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): BGa8c69a, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG00c906, BG979384, Cuponation9, BgGoodie9, BG8ReviTrage, BGcoupon8off, BGGutscheine, BG8OFFCOUPON, TTBLACK5, JanBGCoupon8, BGSaleFeb8, BGSaleAD, 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 4L 1000W Electric ULV Fogger Sprayer? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).