Dien Chieu Sang Moi Truong Do Thi Yen Bai LTD Address: No 278 Ly Thuong Kiet, So 8 Civil Group, Mau A Town, Huyen Van Yen, Tinh Yen Bai, Viet Nam Enterprise code: 5200946160 Phone: 0962963936 Representative: Do Van Duc Mau A Town, Van Yen District, Yen Bai ProvinceFounding date: 6 - 1 - 2025