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DONG YANG ENGINEERING MONGOLIA BRANCH
몽골 울라바토르 칭기스에버뉴 가쵸르트 빌딩 
CEO Mr. Jason, jason@dyltd.co.kr 
Main Business : Equipment Service and Training, Maintenance in Mongolia

DY INTERNATIONAL CO.
인천광역시 부평구 대정로 66, 4층 408-243호 
CEO Mr. Minsoo You /  yms@refsaver.com
Main Business : Equipment Service and Training, Maintenance

DONG YANG ENGINEERING KOREA
경기도 김포시 사우중로
CEO Mr. Jason, jason@dyltd.co.kr 
Main Business : Abroad Plant Sales & Contract Management / Project Management