Tags post-tensioning steel factory Hoa Phat to build post-tensioning steel plant Monday, Dec 04, 2017 Hoa Phat Group has decided to invest VND1 trillion (US$43.9 million) in building a high quality post-tensioning steel factory, Vu Thi Anh Tuyet, deputy director of Hoa Phat Equipment and Accessory Company Limited, said.