宋商纲首(又称“都纲”或“船头”)是负责纲运的商人首脑,在宋日和宋丽贸易中发挥着重要作用。中、日、韩史料中也都有相应的记载,中日两国贸易港口都曾出土书有宋商纲首姓氏墨书的陶瓷器。这些宋商纲首亦商、亦使,是通晓东北亚各国政治、经济、文化各领域的本地通,有的被任命为当地的地方官,甚至任命为宋朝以及日本和高丽的国使。 Song Shou Gang (also known as “Gang Gang” or “bow”) is responsible for the business leaders of the Gang Yun, Song Song and Song Li trade play an important role. China, Japan and the Republic of Korea also have the corresponding historical records, the Sino-Japanese trading port have unearthed a book named Song Shanggang first surname Mo ink pottery. These Songsou Gang leaders also made it known to all localities in various political, economic and cultural fields in Northeast Asia. Some of them were appointed local magistrates and even appointed as Song Songs and Japanese and Korean envoys.