letter-writing guide 写作指导
self-introducting 自我介绍
用简单英语介绍自己的公司
we are a... corporation, handling....(我们是...公司，专营...)
2.we would like to take this opportunity to introduce ourselves as ...
(我们借此机会自我介绍。我们是...)
通过邮件，社交软件进行谈判沟通
we are writing to introduce ourselves to you as a...(作为...,特来函自我介绍。)our cooperation is specialized in ...(本公司专营...)
专注于一领域
we are mainly dealing in...(我们主要从事...)we have been engaged for many years in the line of...(我们已经从事...多年。)