Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – Xiaomi Shunzao Z11 Vacuum Cleaner Basic EU Plug (-3 USD)
2. Europe – Xiaomi Shunzao Z11 Vacuum Cleaner Basic EU Plug [EU] (-3 USD)
3. Europe – Xiaomi Shunzao Z11 PRO Vacuum Cleaner EU Plug [EU] (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (273.17 USD): BGHOMEA13
Coupon (304.99 USD): 7bcdf9
(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): BGEUSZ11, BGAFF7OFF, BGSZXM9, BGSZCV1, BGSZNVP, BGHCLE15, BGGVSZ, BGSZZR, bgshOOp10, BGSZCNZ, BGHome15%, BGHOMEAPP13, BGCNSZHPA, BGCZSZATZ, BGCZSZPRUA, BGCZSZUHBFD, BGwhielabel, BGCZSZDU, BGCZITSZ, BGCZDSZ, BGCZDSZU, BG10OFFAFF1, BANGGOODSD
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – Xiaomi Shunzao Z11 Vacuum Cleaner Basic EU Plug (-3 USD)
2. Europe – Xiaomi Shunzao Z11 Vacuum Cleaner Basic EU Plug [EU] (-3 USD)
3. Europe – Xiaomi Shunzao Z11 PRO Vacuum Cleaner EU Plug [EU] (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Shunzao Z11 PRO Vacuum Cleaner EU Plug.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).