以齐齐哈尔车辆工厂总工程师邱世昱为首的铁道部赴美车钩制造技术考察团一行十人,于1985年3月4日至4月5日到美国一些公司的有关工艺、设备厂家等15个单位进行了车钩制造及其配套技术的考察。右上照片是代表团在考察西塞罗(Cicero)工厂时的合影。该厂采用“表面”(“Surface”)热处理没备进行E级钢车钩及尾框等的热处理,可生产出高质量的车钩。 Qiqihar vehicle factory chief engineer Qiu Shiyu headed by the Ministry of Railways to the United States car hook manufacturing technology delegation of 10 people, from March 4, 1985 to April 5 to some companies in the United States, the relevant process, equipment manufacturers and other 15 units were Car coupler manufacturing and its supporting technology inspection. The photo at the top right is a photo taken by the delegation while inspecting the Cicero factory. With “Surface” heat treatment, the plant heats the E-Class steel coupler and trailer frame to produce high quality coupler.