Phong Thong Ke Huyen Khoai Chau Address: Khoai Chau Town, Khoai Chau Town, Khoai Chau District, Hung Yen Province Enterprise code: 0900307837 Phone: 02213910490 Khoai Chau Town, Khoai Chau District, Hung Yen ProvinceFounding date: 31 - 12 - 2008