Best mobile - Asus Zenfone Max Pro M1 vs Lenovo K9 Note vs Xiaomi Redmi Note 5 Pro ?

Hi Guys,
I am looking for a phone with

1. Size > = 5.5" - 6"
2. Good Dual rear camera
3. Metallic body
4. Good Battery

I have the following 3 phones in mind:
1. Asus Zenfone Max Pro M1

2. Lenovo K9 Note

3. Xiaomi Redmi Note 5 Pro

4. Any other phone suggestions?

Which one should I go for considering good build and reliability?

Thanks in Advance..

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