During the 5th and 6th century many Sogdians took up residence in the Hexi Corridor where they retained autonomy in terms of governance and had a designated official administrator known as a sabao, which suggests their importance to the socioeconomic structure of China.
Selama abad ke-5 dan ke-6 banyak orang Sogdiana yang menetap di Koridor Hexi di mana mereka memperoleh otonomi dalam hal pemerintahan dan memiliki adminsitrator resmi yang ditunjuk dan dikenal sebagai 'sabao', mengindikasikan pentingnya mereka bagi struktur sosioekonomi Cina.