At the age of 28, Bing-Yi Yang married Lai Pen-Mei, one of his coworkers at Heng Tai Fung, and they both continued to work at Heng Tai Fung for the next three to four years. However, due to a failed investment, Heng Tai Fung suffered a setback from which it could not recover, and the day came when owner was forced to close the business. At this point in time Yang Bing-Yi was already 31, and after leaving Heng Tai Fung he and his wife decided to start their own business. But what to call their new business? In the end, they decided on the name Din Tai Fung, a combination of Din Mei Oils, the name of their supplier, and Heng Tai Fung, the shop where Yang Bing-Yi got his first job. In doing so they could also express their gratitude to the owner of Heng Tai Fung.