COMPANY S PROFILE. DONG DUONG MINERAL IMPORT EXPORT COMPANY LIMITED NO 5/56, 105 ALLEY, DOAN KE THIEN STR, MAI DICH COMMUNE, CAU GIAY DIST, HA NOI, VIET NAM Leader: Mr. Nguyen Van Tuan ( Director) Category: Global Enterprise. Telephone: 008-4-73035888 Fax: 008-4-37938083 Contact: Mr. Vu Ngoc Huong Mobiphone: 0084983681081 Mr: Hoang Tien Thanh Mobiphone: 0084905516283 Ms. Le Thi Nhung Mobiphone: 0084973615765 Product categories: Ferro Silicon, Ferro Manganese, Silicon ...