DOOSAN, founded in 1✘∞869, is currently one of the largest ♦↑consortiums in Korea and a global§×σ and competitive multinational ®↑✘↕company. Doushan Group "αhas more than 20 subsidiaries such as↕φ Doushan Infracore, Doushan Heavy Indu×♦stry, Doushan Engine, Doushan Indusε∏£<trial Development Doushan Sou✔→<shi, etc. It operates in 38 ÷™↕countries with a total of mo∏♦≠£re than 36,400 employees and ann•↓↕ual sales of more than 18 billγ≠ion US dollars. Among them, D≈→oushan Sorushi (Biolo∞'§≠gical Materials Department of Dousha•↓ n Group) began to cooperate &₩with our company in ×≤₩2013 to bring ceramide, € ₹λsphingosine and other cosmetics raw m✔∞♠¥aterials into the Chinese market, and a→×chieved proud results.