Phat Trien Giao Duc Hoang Yen LTD Address: No 34, Quang Trung Street, Ka Long Ward, Mong Cai City, Quang Ninh Province Enterprise code: 5702175497 Phone: 0357686125 Representative: Hoang Thi Hai Yen Ka Long Ward, Mong Cai City, Quang Ninh ProvinceFounding date: 4 - 2 - 2025