... /48f, 300d/96f, 450d/192f,600d/192f1. the usagea. weaving & knitting: mainly used in home furnishig fabrics,fashions fabrics, denim, terry ... the manufacturer for chemical fiber in China, Hangzhou Siyuan Polyester Co.,Ltd is specilizes in polyester filament yarn(PFY or FDY), polyester ...