Bailun Plaza (Dujiangyan Store). Dujiangyan Bailun Shopping Card needs to be purchased at Bailun Plaza (Dujiangyan store). Dujiangyan is affiliated to Chengdu City, Sichuan Province. Bailun Shopping Card is a consumption card that integrates catering and shopping. It is a kind of voucher and its use is hundreds of times. Lun shopping cards are very convenient.