Toilet Cistern Resonance I Want To Replace My Plastic Toilet Cistern With A China One?

I want to replace my plastic toilet cistern with a china one? - toilet cistern resonance

I have a cistern cheap plastic look and will be replaced by another new China. It appears that the tank is me, that now have a place like Bunnings, is gone and it looks terrible, but the bathroom looks brand new. Is it possible to replace only the tank, and is not completed?
Thx