C420 Respect

After thinking for a long time.

In the end, Ye Liangren still shook his head.

Resonance nanoglass.

This should not be rushed for the time being!

After all, this was the most expensive one among all the related facilities!

Of course, although it was expensive, Ye Liangren could still afford to install it.

A piece of glass needed to be exchanged for materials with survival point