OTTOGI (OTG) Ottogi is the best and biggest manufacture of food products in South Korea. Ottogi has 22 kinds of food line-up and many of them has the best market share in South Korea. Ottogi has many international branches in four countries such as the US, China, New Zealand, and Vietnam. Premium Roasted Ottogi Sesame Oil is made of the whole sesame seed are imported from China, passed the quality test, and sorted evenly by Ottogi.