Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Deerma ZQ100 Steam Mop [EU] (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
Coupon (119.24 USD): BANGGOODSD
(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): BGAFF7OFF, Email5, BGDMZQ, bgshOOp10, BGHome15%, BGCNDZQC, BGHOMEAPP13, BGHOMEA13, BGCZDEMZQA, BGCZFRDZQP, BGCZDERZQA, 13f142, BGCZDERQA, BG10OFFAFF, BGCZAQPM, BGCZQWSD, BGwhielabel, BGCZDEW, BGCZDESQ, 7bcdf9, BG10OFFAFF1
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Deerma ZQ100 Steam Mop [EU] (-3 USD)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Deerma ZQ100 Steam Mop? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).