The 6000mAh Portable batteries developed by Jiangsu NESC Science and Technology Co can be fully charged in 20 minutes. [Photo/cnano.com.cn] New energy vehicle drivers have long been disturbed by ...

Tweezer in hand, Mandolin Brassaw concentrates like a surgeon in the operating theater as she places metal letters in minuscule 6-point type into a curved tray. She spells out the words of a Yayoi ...