D&B是一種，Factor & A/R 公司比較好。但這3個公司均需付錢。

來源: richman 於 2009-10-09 11:31:44 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.