President Enterprises, riding a "retro" fad in Taiwanese society, came to Fenqihu to propose selling "railroad biandangs" in their 7-Eleven convenience stores. Lin Jinkun, figuring there was nothing to lose in giving it a shot, gave them menus and recipes and came forward as spokesperson.
民國 91 年 6 月，轉機終於到來──統一企業趕搭復古懷舊風潮，主動找上奮起湖合作便當，林金坤抱著姑且一試的心理，不僅爽快提供便當菜單和作法，還親自上線代言，沒想到竟然一炮而紅。