C893 The Most Brilliant Scene in the History of Science and Technology in China

Meng Huafei was 75 years old.

He had white hair and a face full of wrinkles.

The years had left too many marks on his body.

Originally, Meng Huafei wanted to join the Science and Technology Expo purely to join in the fun.

He wanted to witness the rise of the later waves with his own eyes.

If Su Lang took out the Graphene Battery as promised, he would give Su Lang the most sincere applause