Ha Sa Co Joint Stock Company Address: 4th Floor, No 377, Me Linh Street, Khai Quang Ward, Vinh Yen City, Vinh Phuc Province Enterprise code: 2500405142 Phone: 0902002288 Representative: Nguyen Anh Duc Adress: Khu 3 Doai, Yen Lac Town, Yen Lac District, Vinh Phuc Province Khai Quang Ward, Vinh Yen City, Vinh Phuc ProvinceFounding date: 15 - 6 - 2010