added by archaeologs Thread that can be drawn off the cocoon spun by the grub of the moth Bombyx mori and used for weaving fine cloth, which originated in China in Neolithic period. The silk industry was established by the Anyang period, c 1300-1030 BC. The Anyang oracle bones include characters for silk, silk fabrics, silkworm, and mulberry tree, and traces of silk fabrics are occasionally found preserved. Silk fabric was used as a writing surface at least as early as the 5th century BC. Both manuscripts and paintings on silk have come from Chu tombs of the 5th century BC and later. Elaborate methods of weaving were developed by the Han Dynasty (206 BC-220 AD) and textiles exported in large numbers along Silk Route to Roman world and later to Byzantium. The route is the collective name for several overland and ocean routes for silk trade from the 1st-8th centuries AD. From Chang'an, capital of the Han Dynasty, the main route went west through the Gansu corridor.