Hieu Chuan Isocal Joint Stock Company Address: Doai Hamlet, Hoan Son Commune, Tien Du District, Bac Ninh Province Enterprise code: 2301146239 Phone: 0935556139 Representative: Le Dac Luat Hoan Son Commune, Tien Du District, Bac Ninh ProvinceFounding date: 14 - 8 - 2020