Nha Khoa Trong Hoa Joint Stock Company Address: No 326, Ho Cat Street, Voi Town, Lang Giang District, Bac Giang Province Enterprise code: 2400698833 Phone: 02043786796 Representative: Luong Van Thinh Adress: Hamlet 6, Lam Son Ward, Hung Yen City, Hung Yen Province Voi Town, Lang Giang District, Bac Giang ProvinceFounding date: 7 - 2 - 2014