Vien Kiem Sat Nhan Dan Huyen Khoai Chau Address: Khoai Chau Town, Khoai Chau Town, Khoai Chau District, Hung Yen Province Enterprise code: 0900306216 Phone: 02213910380 Khoai Chau Town, Khoai Chau District, Hung Yen ProvinceFounding date: 29 - 12 - 2008