A worker is seen on a production line at a lithium battery manufacturing plant for automotive use in Tangshan, north China's Hebei Province, April 11, 2019. photo: Xinhua
Cao Ji: The Chinese billionaire keeping batteries from exploding in your smartphones and electric cars
- An engineer by training, Cao is the founder of Zhejiang Hangke Technology
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A worker is seen on a production line at a lithium battery manufacturing plant for automotive use in Tangshan, north China's Hebei Province, April 11, 2019. photo: Xinhua
