VIET NAM TECHNOLOGY MINERAL JOINT STOCK COMPANY 

Office: No.1/75 Tran Quang Dieu Street, O Cho Dua ward,

Dong Da District, Hanoi City, Vietnam

Email 1: export1@shcgroup.vn

Email 2: export3@shcgroup.vn

Hotline 1: +84.93.6374.398

Hotline 2: +84.58.5678.996

Hotline 3: +84.93.2222.698