Dear ------(who)，

　　We are very honored to receive your invitation to call on your company on Wednesday afternoon, September 1st, 2019. 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,

　　-----------（name）

　　-----------（title)