Group 1 - The article highlights the growing acceptance of purchasing second-hand cars online, particularly through reliable platforms like Dongchedi, which offers a seamless buying experience [1][2] - A case study of a consumer, Mr. Qing, illustrates the advantages of using Dongchedi's "national purchase" model, which allows for online ordering and offline delivery, ensuring transparency in vehicle condition [2][4] - The platform has expanded its second-hand car business since 2021, establishing multiple stores and offering services across over 280 cities in China, making it a preferred choice for consumers [6] Group 2 - Mr. Qing purchased a NIO ET5T, a two-year-old vehicle with a mileage of 18,000 kilometers, at a significantly reduced price of just over 180,000 yuan compared to the new car price exceeding 300,000 yuan [1][4] - The buying process included a detailed video presentation of the vehicle, which built trust in the platform's service and transparency [2][4] - Dongchedi provides high-quality second-hand car services, including official inspections and multiple after-sales guarantees, contributing to its reputation as a leading platform in the market [6]