Lenovo already has a cheaper slider phone
 

Oh no, we're not done with Chinese slider phones just yet. Following the Xiaomi Mi Mix 3 and Honor Magic 2, today Lenovo unveiled the Z5 Pro which is another notch-free Android slider made for China, but with the main difference being its price point...

https://www.engadget.com/2018/11/01/...-slider-phone/