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Head Office: 11th Floor, Viwaseen Tower, 48 To Huu Street, Nam Tu Liem District, Hanoi City, S.R Vietnam Branch Office: A Space Town Building, No. 3, 30 Street, Binh An Ward, District 2, HCM City, S.R Vietnam Japanese Subsidiary: 21F, Shin-Marunouchi Center Building, 1-6-2 Marunouchi, Chiyoda-ku, Tokyo 100-0005, Japan