양조간장공장도 제주 사람에게 운영권을 넘겼지만, 기술도 부족하고 공장도 확장해야 해 판로가 없어서 중단되었다고 한다.
The operation of the brewed soy sauce factory was also handed over to the person from Jeju Island, but the business stopped because of lack of technology and the market to expand the factory.