... )The main raw silk 20/22D,4A or 5A.3)silk yarn nature fibre,useful for the healthHangzhou shanglu Silk Co., Ltd1)Our company ... 's main products are all kinds of "commercial chariot" brand white steam filature, silk and flax ... yarn, 18,000 tons annual output of white steam filature, silk 38 thousand tons, 120,000 tons of flax yarn.2 ...