IIAbstractThe current momentum of new energy vehicle development is strong, but in the harsh winter of Heilongjiang, the path to promotion remains fraught with difficulties. The choice of BYD Haier as the research subject for consumers in Heilongjiang is mainly due to BYD's prominent position in China's new energy vehicle market and the high cost-performance ratio of the Haier model. It should have a promising market, but factors such as battery performan...
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