One-fifth the width of an average human hair! That is ultra-fine copper wire produced by a company in Gansu Province, northwest China. #ChinaTech #MadeInChina
Source: Xinhua
Editor: huaxia
2026-05-26 21:30:15
One-fifth the width of an average human hair! That is ultra-fine copper wire produced by a company in Gansu Province, northwest China. #ChinaTech #MadeInChina