At Lan's recommendation, Pingtung Prison brought in soy sauce guru Hsieh Pao-chuan, a food science professor at National Pingtung University of Science and Technology, as a technical advisor (Hsieh is also the formulator of NPUST's famed low-salt soy sauce). Together, they developed a new flavored low-sodium soy sauce. With its delicate mouthfeel and distinct flavors of soy and wheat, it was an instant hit.
在藍群傑的建議下，屏東監獄特別請來有「醬油達人」美譽的屏科大食品科技教授謝寶全投入技術指導（謝教授亦為屏科大薄鹽醬油開發者），低鈉訴求加上吃得到豆麥原味的芳醇口感，果然一炮而紅。