Hello!! how are you

I would like buy a Cubot king kong mini smartphone, but his bands are the followings:

- 2G:GSM 850/900/1800/1900MHz
- 3G: WCDMA 900 / 2100 MHZ
- 4G:FDD-LTE:Band: B1/ 3/ 7/ 8/ 19/ 20 

In Chile my local operator has the followings bands:

- Band 4G B4 (1700/2100 AWS 1)
- Band 3G B2 (1900), B5 (850), B8 (900) 
- Band 2G B2 (1900), B5 (850), B8 (900 


I would think that king Kong mini smartphone, not working with my local operator?
Best regards and thanks you for your help


JP