He spent just a year to 30 branches, and when it was famous, he tried to sell more types of product at the stores such as dried peaches, dried longans and seaweeds. The most popular was seaweeds. This was inspiration for him to created Taokaenoi brand. Later; he attempted to learn about seaweed, and designed the package in Korean style, he designed his own logo as a boy with a flag. He succeeds by Taokeanoi company , and becomes a billionaire.