What is air covered yarn? 发表评论 / Polylion News / 作者: 1091568222@qq.com Air Covered Yarn (ACY) is a type of yarn that combines … What is air covered yarn? 查看全文 »
What is spandex yarn? 2条评论 / Polylion News / 作者: 1091568222@qq.com What is spandex ? Spandex, also known as elastane, is a … What is spandex yarn? 查看全文 »