I muri i te pukapuka tahunga o 212 BC, te Han Dynasty (202 BC<unk>220 AD) whakaputaina mahi o te pāngarau e pea whakawhānui i runga i ngā mahi e kua ngaro inaianei. Ko te tino nui o enei ko te Nine Chapters i runga i te Art Pāngarau, te taitara tonu o nei puta i te AD 179, engari i roto i te wahi i raro i ētahi atu taitara i mua. Kei roto i te 246 kupu raruraru e pā ana ki te ahuwhenua, mahi, āhuahira o te āhuahira ki te teitei me te tātai ōwehenga me te whanganga mō Chinese pagoda, engineering, me te triangles. i roto i te wā o te tekau tau tuawha o te rautau 1314 AD, ka hoatu hoki e Liu Kaihou (Zhou He) he tikanga pāngarau e tika ana mō te whakaoti i te uara nui rawa o ngā wāhi rite te uara pi pi.
Ko te tau 179 AD