DOOSAN, founded in 1869, is currently one of the largest consortiums in Korea and a global and competitive multinational company. Doushan Group has more than 20 subsidiaries such as Doushan Infracore, Doushan Heavy Industry, Doushan Engine, Doushan Industrial Development Doushan Soushi, etc. It operates in 38 countries with a total of more than 36,400 employees and annual sales of more than 18 billion US dollars. Among them, Doushan Sorushi (Biological Materials Department of Doushan Group) began to cooperate with our company in 2013 to bring ceramide, sphingosine and other cosmetics raw materials into the Chinese market, and achieved proud results.