Hoang Son LTD Address: Khu 9, Dong Da Ward, Vinh Yen City, Vinh Phuc Province Enterprise code: 2500272069 Phone: 0211842535 Representative: Vu Quang Son Adress: Khu 9, Dong Da Ward, Vinh Yen City, Vinh Phuc Province Dong Da Ward, Vinh Yen City, Vinh Phuc ProvinceFounding date: 23 - 4 - 2007