Core Viewpoint - The article discusses a promotional event organized by China Construction Bank, offering users the opportunity to purchase selected products at a discounted price using a one-yuan coupon, with specific rules and timeframes for participation [1][4]. Group 1: Event Details - The promotional event runs from August 1, 2025, to September 3, 2025 [2]. - Each user is limited to participating once in the event, and using the one-yuan coupon is considered participation [4]. - Coupons can only be obtained through the China Construction Bank APP and must be used for designated products on the event page [4]. Group 2: Coupon Usage and Timing - The event features two daily sessions for coupon distribution: the first session from 9:00 AM to 12:59 PM and the second session from 2:00 PM to 11:59 PM [5]. - Users can enjoy a one-yuan purchase after applying the coupon, with payment exclusively through China Construction Bank's Dragon Pay [4]. Group 3: Product Offerings - Various products are highlighted for the promotion, including: - 3 kg of sweet and juicy mangoes priced at ¥22 [6]. - 5 kg of sweet and fragrant potatoes priced at ¥23 [7]. - 160g of crispy walnuts priced at ¥24 [7]. - 240g of fine-width noodles priced at ¥23 [8]. - Additional promotions include discounts for cross-store purchases, such as a ¥100 discount on purchases over ¥300 [9].