Gia Khoa LTD Address: Khu Tan Bac, Tan Yen Town, Ham Yen District, Tuyen Quang Province Enterprise code: 5000216657 Phone: 0207843495 Representative: Nguyen Duy Hung Adress: Khu Tan Bac, Tan Yen Town, Ham Yen District, Tuyen Quang Province Tan Yen Town, Ham Yen District, Tuyen Quang ProvinceFounding date: 7 - 2 - 2002