1.Nylon 66 FDY Specification: 8D/10F,10D/10F,20D/7F,20D/14F,20D/20F,20D/34F,
30D/13F,30D/34F,40D/12F,40D/34F,40D/68F,70D/24F,
70D/34F,70D/68F,100D/34F,140D/34F,140D/48F,210D/34F,
420D/35F,840/70F(
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