... , including semi-dull, bright, fine diner, Polyester Filament Yarns Features: 1) Our products cover FDY, DTY, HOY and POY, including semi-dull, bright ... our polyester filament yarns is to produce polyester fabrics and linings, such as polyester taffeta, oxford, pongee, twill, umbrella and raincoatcloth fabrics Polyester Filament Yarn (FDY, DTY, POY ...