Xi Mang Va Khoang San Yen Bai Joint Stock Company Address: No 38 (Street 21), Khu, Nine South Villa, Nguyen Huu Tho Street, Phuoc Kien Commune, Nha Be District, Ho Chi Minh City Enterprise code: 5200216647 Phone: 02163885154 Representative: Pham Quang Phu Adress: Civil Group 42, Hong Ha Ward, Yen Bai City, Yen Bai Province Yen Binh Town, Yen Binh District, Yen Bai ProvinceFounding date: 6 - 1 - 2004