请问写证明信怎么写？就是证明在哪工作的

moto345

会的给个格式啊。谢谢啦~

$BMW$

To someone it may concern,
This is to prove that XXX has been working as (position/title) at xxx (company name) since Jan 200x.  下面如果有需要下面可以写job description

If there is anything I can help, please don't hesitate to contact me on 0211234567.
kind regards
xxx

我爱海绵宝宝

最上面写公司的名字，正文写某某在哪个公司上班，最下面签名就好了

小水仙

xxx works for xx company as "position" since dd/mm/yy

moto345

ddddddddddddddddxw