... , 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), ... and high-efficiency services, we are sure that would be have more and more cooperating opportunity with the differet customers ...