We are specialized in mulberry spun silk and silk sliver manufacture since 1986. A1+, B2+, C3+, A1, B2 ... are TONGXIANG HESHAN WEIYE TEXTILE CO.,LTD, specialize in spun silk manufacture since 1986.We have 26 years history.In our ... mainly produce 100% spun silk yarn, and also dealing with silk/cotton, silk/Viscose, silk/cashmere, silk/bamboo, silk/wool,dyed silk yarn,melange coloure silk yarnand so on ...