Based on such technical background, the government of Heijo-kyo (the ancient capital of Japan in current Nara) placed kamiko (the paper making mill entrusted by the government) in Yamashiro Province.
このような技術的な基盤のもとに、平城京の政権は、山城国（山代国）に紙戸（官に委託された紙漉き場）を置いた。