Tran Hai Van Yen LTD Address: No 166a, Tran Quoc Toan Street, Civil Group 7, Mau A Town, Van Yen District, Yen Bai Province Enterprise code: 5200937342 Phone: 0983583263 Representative: Hoang Thi Lien Mau A Town, Van Yen District, Yen Bai ProvinceFounding date: 24 - 5 - 2023