Hoi Chu Thap Do Huyen Tien Yen Address: Thong Nhat Street, Huyen Tien Yen, Tien Yen Town, Tien Yen District, Quang Ninh Province Enterprise code: 5700962019 Phone: 02033876119 Adress: Tien Yen District, Quang Ninh Province Tien Yen Town, Tien Yen District, Quang Ninh ProvinceFounding date: 3 - 11 - 2008