Sung dynasty records from that time indicate that salted lichee from the southern city of Fuzhou were traded in the Ryukus--as well as central Asia, the Korean Peninsula, Japan, and Arabia.
北宋時有位蔡襄寫過「荔枝譜」，講到當時福州盛產荔枝，經過紅鹽法加工後，「外至北戎西夏，東南舟行到新羅（今朝鮮半島）、日本、流求、大食（今阿拉伯）」，琉球便是其中銷往的國家之一。