Dear ------，
We are very honored to receive your invitation to call on your company on Wednesday afternoon, September 1st, 20--. Please accept our sincere thanks.
During the visit, We had a preliminary and necessary communication on the basic items and related information of mutual cooperation . We now have a better understanding of your needs and will soon submit another proposal for your approval. We expect to have it ready by _________ Again, thank you for the pleasant visit.
Yours sincerely,
-----------(名字)
-----------(头衔)
尊敬-----------，
我们非常荣幸获得您的邀请，于20--年--月--日星期--下午拜访了贵公司，在此请您接受我们由衷的谢意。
这次访问，我们就彼此合作的基本事项和信息进行初步的必要的沟通。我们现已进一步了解了您的'需求，并将很快向您呈上一份新的提议，供您批阅，预计该提议将于______前完成。
再次感谢您为我们安排的这次愉快的访问。
此致，
-----------(名字)
-----------(头衔)