Su Mo quickly plastered a smile on his face and said, "Of course I have something important. Do you have any paper and pen?"
The old man didn't say much, just rummaged under the counter for paper and pen.
Su Mo hurriedly took out his phone, opened the album, and flipped to the photos he had prepared long ago.
This scene also stupefied the old man, his face filled with an incredulous expression, his eyes fixed on the photos.
"Come, come, take a good look. These are all new mecha materials and parts I've discovered. Let me give you a brief introduction to these materials and my plans and ideas for my mecha. Don't look at me like an amateur; I've loved mecha models since I was little and have researched into this field."
Su Mo flipped the images with his left hand and started sketching on the paper with his right.
