adj.招待的(邀请的)
I mean there have not authorized to our company to deal in export trades, so I'm sorry that I can't wrote down what means you asked "invitatory letter" . 请不要用什么翻译软件翻译
In 1988 Zhang, Ye ranked the third at the National TV Music Competition of Young Singers in the Professional Category.She won the Gold Award in National Invitatory Competition in the same year. 1988年获全国青年歌手电视大奖赛第三名,全国优秀歌手邀请赛金奖;