We know each other on May 5th in the year 2015, and until now it's 5 years and 7 months, time flies!
I still keep all the photoes we have, attached are all our beutiful memory.
We are lucky that god bring you to us, and you bring us a lot of inspiration not only on product development, but also on customer-service, we are very grateful and impressed a lot. Next year we will continue to give you our best support.
给老客户准备的邮件
如果这是我们的老客户，并且是合作多年的老客户，我们可以这样写：
Dear Tom,
We know each other on May 5th in the year 2015, and until now it's 5 years and 7 months, time flies!
I still keep all the photoes we have, attached are all our beutiful memory.
We are lucky that god bring you to us, and you bring us a lot of inspiration not only on product development, but also on customer-service, we are very grateful and impressed a lot. Next year we will continue to give you our best support.