Phat Trien Ha Tang Ky Thuat Vinh Joint Stock Company Address: No 49, Hong Son Street, Hong Son Ward, Vinh City, Nghe An Province Enterprise code: 2900788877 Phone: 02386567369 Representative: Tran Thi Long Adress: Khoi 11, Le Loi Ward, Vinh City, Nghe An Province Hong Son Ward, Vinh City, Nghe An ProvinceFounding date: 10 - 4 - 2007