Lin Jinkun says that early on the railroad biandangs sold to train passengers were handled by the Management Office for Mt. Jade (Yushan) in Chiayi City. They were crude and simple meals, made worse by the fact they were cold and tasteless after their journey from Chiayi to Fenqihu.
林金坤指出，早期火車上的便當由「玉山管理處」經營，從嘉義帶到奮起湖，不僅早已冷硬，菜色也簡單隨便。