Sempio 501 soy sauce is a premium quality sauce that is made using natural fermentation of soybeans. 

The fermentation process lasts for as long as 6 months before the sauce is bottled. Compared to Sempio, Jin S has a richer and more pronounced taste of the sauce due to long-term natural fermentation. 

The recipe for making this soy sauce has been improving for more than 70 years, and the manufacturing company itself ranks 1st in South Korea in the field of soy products.