C57 The Most Important Technology for Domestic Trains

Su Jianying thought about it and continued, "Brother, are you going to set up the standards?"

Su Jianguo nodded. "I do indeed wish to see how the standard is set up. I wonder if you have any experience with this?"

"Big brother, do you know about the China National Authentication Committee?" Su Jianying asked.

"China National Authorization Committee? What is this?" Su Jianguo was stunned