1. High strength polyester raw yarn chosen as material 2. Specification: 21D / 2, 210D / 3, 210D / 4, 210D / 2X3, 280D / 1, 1. High strength polyester raw yarn chosen as material 2. Specification: 21D / 2, 210D / 3, 210D / 4, 210D / 2X3, 280D / 1, 280D / 3, 420D / 1, 420D / 3, 630D / 1, 630d / 3, 840D / 1, 840D / 3, 1260D / 1, 1400D / 1, 1600D / 1 etc. 3. Packing: 500g / cone, 250g / cone, 125g / ...