I learned from the National Standards Commission that from November 1, 54 mandatory national standards, 465 recommended national standards, and 1 guiding technical document began to be implemented, involving electric vehicles, apps adapted to aging, etc.

Zhitongcaijing · 4d ago
I learned from the National Standards Commission that from November 1, 54 mandatory national standards, 465 recommended national standards, and 1 guiding technical document began to be implemented, involving electric vehicles, apps adapted to aging, etc.