HEAD OFFICE: 673 Truong Chinh Street, Hoa Phat Ward, Cam Le District, Da Nang City (0236) 368 1126 - 384 6478 - 367 0031 cienco525@gmail.com www.525.vn REPRESENTATIVE OFFICE: 328 Vo Van Kiet Street, Co Giang Ward, District 1, Ho Chi Minh City 0988 202 007