Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Lenovo Z5 6/64GB Black (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Only one coupon available!
Link: Banggood product page
Coupon (172.99 USD): Email5
(CouponsFromChina.com tip: this code has to be applied 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): 9BGL564, 10BGZ5, 0X49OJOFN7, 7d18f7
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Lenovo Z5 6/64GB Black (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for Lenovo Z5 6/64GB Twilight.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).