Thuong Mai Va Dich Vu Yen Thanh Joint Stock Company Address: Khu 1, Yen Thanh Ward, Uong Bi City, Quang Ninh Province Enterprise code: 5700375885 Phone: 02143854669 Representative: Nguyen Van Ton Adress: Khu 1 Yen Thanh, Ha Long City, Quang Ninh Province Yen Thanh Ward, Uong Bi City, Quang Ninh ProvinceFounding date: 21 - 1 - 2002