Business topic idea for offical business seal

 I thought this might be a good simple business in China topic and dialogue. Here's a sample below, real life.

 Anyone who wants to talk about it and learn the hanzi, etc. with me in this post, just reply!

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Email 1: 

早上好！合作合同我部已签字盖章，

请于近两天抽空来我部签署合同，另请问您处有公司合同章吗？

 Reply 1:

I don't have a stamp, will a signature suffice? 

 Email 2: 

没有章也行，那明天什么时候过来呢？