Which is better, space antimicrobial liner or non-stick diamond liner?

Both good.

1, space antimicrobial liner: antimicrobial liner is the principle of the metal on the surface of the liner or coating can be added to the antibacterial metal ions, so that it has a certain degree of mold, antibacterial effect.

2, non-stick diamond liner: non-stick gallbladder is PTFE, diamond-coated polygraphic liner is diamond polished, wear-resistant, long time use is not easy to deform.