... 2,Nm140/2,Nm210/2. spun silk yarnHangzhou shanglu Silk Co., Ltd1)Our company's main products are all kinds of "commercial ... chariot" brand white steam filature, silk and flax yarn, 18, ... system certification, measurement and qualification certificate Oeko-Tex Standard 100 certificate.welcome to select and purchase Nm60/2 100% spun silk yarn