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Headquarters
Los Angeles

Address : 3858 W Carson St, Ste 203, Torrance, CA 90503 United States

E -mail: jack@dnhamerica.com

Phone: +1 (310) 496-7668​​​

Los Angeles

Seoul
Republic of Korea

Address: 109, Mapo-daero, Mapo-gu, Seoul, 101 Building, 1304, Republic of Korea

E -Mail: ​rin@dongwhamaterials.com

Phone: +82 2-334-6151​

hangzhou

Hangzhou
China

Address: Room 129, Waitong Village, Xihu District, Hangzhou, Zhejiang Province, China

E -Mail: niki@dongwhamaterials.com

Phone: +86 70-4858-1888

seoul

Tokyo
Japan

Address: 2 Chome-2-9 Oyodominami, Kita Ward, Osaka, Japan

E -Mail: evan@dongwhamaterials.com

Phone: +81-80-3757-7813

tokyo

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