30,000 yuan pure electric car, Changan Ben E ~ star national version of the attack activity time 30,000 yuan pure electric car, Changan Ben E ~ star national version of the attack activity time 30,000 yuan pure electric car, Changan Ben E ~ star national version of the attack activity time <h1> The campaign period is from</h1> October 3, 2021 to October 12, 2021