Core Viewpoint - The company, Zhuanzhuan, is transitioning from a C2C model to a C2B2C model, marking the closure of its original C2C marketplace business as a strategic decision to focus on quality and trust in second-hand transactions [5][10][14]. Group 1: Business Transition - Zhuanzhuan officially announced the gradual shutdown of its C2C marketplace business starting September 22, 2025, as part of a broader business adjustment towards an "official verification" model [4][5]. - CEO Huang Wei described the decision to close the C2C business as a difficult yet necessary choice, emphasizing the need to focus on consumer trust and service quality [5][10]. - The C2C business had become marginal, contributing less than 3% to Zhuanzhuan's overall GMV, indicating that the shutdown would not significantly impact the company's operations [9]. Group 2: Quality and Trust - The shift to a C2B2C model aims to standardize non-standardized second-hand transactions, enhancing trust between buyers and sellers [6][12]. - Zhuanzhuan has invested heavily in quality assurance, establishing three quality inspection centers and training over 2,500 quality inspectors to ensure product authenticity and reliability [11][14]. - The company has expanded its service network, with nearly 3,000 on-site recovery engineers covering over 1,300 districts and cities, and more than 1,000 offline stores across over 300 cities [11][12]. Group 3: Market Positioning - The closure of the C2C model is seen as a strategic move to address industry challenges such as fraud and poor after-sales service, which have deterred users from engaging in second-hand transactions [10][11]. - Zhuanzhuan's ambition extends beyond electronics, aiming to establish a comprehensive second-hand marketplace that includes luxury goods and various consumer categories [13][14]. - The company is positioning itself to define the standards for "quality second-hand" goods, contributing to the development of a circular economy [14][15].