Hai Thanh Vien Xay Dung Khai Duy LTD Address: No 02, TDP Dong Long, Van Ha Ward, Viet Yen Town, Bac Giang Province Enterprise code: 2401037201 Phone: 0974606374 Representative: Chu Ba Chinh Viet Yen District, Bac Giang ProvinceFounding date: 8 - 8 - 2025