Owing to liberalization of international trade and rapid development of the global supply chain, demand for airfreight has been increasing. This study investigates airfreight forwarders' perceptions of the service quality of air cargo via Quality Function Deployment (QFD). Moreover, according to the characteristics of air cargo service, this study builds technical dimensions of the service quality of air cargo by combining both internal techniques of service quality and the external necessities of customer service. The results of this study provide valuable information for the aviation industry regarding improving the service quality of air cargo, formulating customer-oriented policies of business and management, and enhancing market competitiveness.