Hollow polyester staple fiber,polyester stable fiber,psf polyester staple fiber,we have 3 chemical fiber production Hollow ... polyester staple fiber,polyester stable fiber,psf polyester staple fiber,we have 3 chemical fiber productionPacking detail ... of highest grade recycled fibers in China.AAA Grade spinning psf.Tenacity above 6.0 cn/dtexLength:38mm,Fineness 1.5 ...