Group 1 - The article highlights the efficient operations of the Erenhot Customs during the New Year holiday, ensuring smooth customs clearance processes [1] - Erenhot Customs implemented a proactive approach by analyzing holiday traffic and developing a comprehensive support plan, including "advance declaration, appointment inspection, and rapid release" [1] - The use of smart customs technologies, such as cross-border trade big data platforms and remote inspections, significantly improved the efficiency of customs clearance for China-Europe freight trains [1] Group 2 - Erenhot Customs provided 24-hour consultation services during the holiday to assist businesses facing challenges due to staff shortages and unfamiliarity with declaration processes [1] - The commitment of customs officers to maintain a rigorous work attitude and provide warm services to enterprises was emphasized as a meaningful contribution during the holiday season [1]