Khoi Thieng Address: Nguyen Tat Thanh Street, Tich Son Ward, Vinh Yen City, Vinh Phuc Province Enterprise code: 2500223505 Phone: 02113862677 Representative: Phung Thi Thieng Adress: Khu Vinh Thinh 2, Tich Son Ward, Vinh Yen City, Vinh Phuc Province Tich Son Ward, Vinh Yen City, Vinh Phuc ProvinceFounding date: 23 - 12 - 2003