MTL - Rebirth 1999: Opening the Age of Black Technology-Chapter 889 You can slay a dragon with a small knife (1)

"How long is the warranty period of the bio-battery? Will it be like a lithium battery, and the efficiency will decay after a long time?"

"Does the sky car need maintenance? Is the maintenance cost expensive? When will it be serviced?"

"The price is so low, I can't believe it!"

Seeing these questions raised by the audience at the scene, Chen Xiao could only be patient and extend the press conference at home for half an hour.

Chen Xiao

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