1. Nqe
Spandex 70D yog kim, thiab tus nqi ntawm 40D spandex tau nce los ntawm 39, 000 yuan ib tuj mus rau 68,500 yuan ib tuj; Tus nqi ntawm 70D spandex tau nce los ntawm 38, 000 yuan ib tuj rau 66,500 yuan ib tuj.
2. Titer
70D, 9000 meters hnyav 70 grams; 40D, 9000 meters hnyav 40 grams, tag nrho cov hauv paus hniav nyob rau hauv 40D yog tsawg tshaj li ntawm 70D, thiab ib lub hauv paus titer kuj me dua.