When Ku completed his military service in 1985, he returned to China Shipbuilding for six months, then was suddenly taken with the idea of returning to school. Coincidentally, the Graduate Institute of Materials Science at National Sun Yat-sen University just happened to be looking for a welder, and Ku was lucky enough to get the job.
一九八五年，古錦松退伍後回中船復職半年，突然興起更換環境再學習的念頭，恰巧中山大學材料科學研究所要徵聘一位焊接技術人員，幸運的，他在眾多應徵者中雀屏中選。