By the early 1960s, both cars and trucks were produced by Yue Loong in Taiwan, and Yen earned the reputation of "China's Henry Ford."
自此揭開了我國汽車工業發展的序幕，也開始裕隆與日產至今仍維持的長期合作關係。裕隆創立的前十五年，一直處於慘澹經營狀態，吳舜文說：「當時裕隆虧損之鉅，主持人心中之焦慮，如今想來，仍覺餘悸猶存。」