C3353 Difficult

Satisfied?

To tell the truth, Qin Luo was really happy. He even felt a little excited in his heart.

From a strict point of view, China was a large aerospace country, but not a strong aerospace country!

This had always been Qin Luo's regret, and Qin Luo had been trying to make up for it.

For this, Qin Luo did not hesitate to develop the latest rocket technology to research human aerospace