raw silk,silk fabric,silk yarn,silk material specification 20/22D,40/44D 300ts/year port shanghai Product: raw silk 20/22dGrade: 3A/4AHop-pocket packing: 60kgs per baleCarton packing:30kgs per cartonWe are the leading supplier and exporter of Raw Silk Yarn.welcome to select and purchase RAW SILK 20/22D OR 40/44D