Dai Truyen Thanh Khoai Chau Address: Khoai Chau Town, Khoai Chau District, Hung Yen Province Enterprise code: 0900348449 Phone: 02121910393 Khoai Chau Town, Khoai Chau District, Hung Yen ProvinceFounding date: 23 - 2 - 2009