: R1101 Floor 11, Giang Vo Lake View Building, Giang Vo Ward, Ba Dinh District, Ha Noi City, Vietnam
: +84 (0) 24 3232 1426
In Vietnam:
:+84 (0) 989 848 699 (Ms. Hien) 
:+81 (0) 945 899 120 (Mr. Kawajiri) 
:+84-(0)909 256 259 (Mr. Altas) 
In Japan:
:+81 (0) 3 4400 0811 (Ms. Hien) 
:+81 (0) 6 7777 0811 (Mr. Kawajiri)
: hienvo@ymt-vn.com
: kawajiri@ymt-vn.com 
: altas@ymt-vn.com
: ymt-vn.com