dear xxx,

　　we treasure every opportunity to meet with you, our valued customer.

　　from23april -27may2014, we will be exhibiting at the“xxxxxx2014′.

　　we cordially invite you to visit our booth.

　　our booth number is xxxx in hall x.

　　you may click here to find our location.

　　with compliments

　　xxxx (company name)