As thin as 0.07 millimeters — roughly equivalent to a cicada's wings — 5G steel was codeveloped by USTB and Shougang Group, according to the university's account on Weibo, China's Twitter-like social media platform.

根据该大学的官博介绍，5G 钢只有 0.07 毫米——大致相当于蝉翼——由北科大教师团队和首钢集团共同研发。