很高兴与您通信.关于备件的发运问题,我的领导已于8月1日发给您的邮件,提供给您的单据是我们在国内报关用的,里面的货物描述

We are very glad to communicate with you by letter.
As for shipping issue for the spare parts,the mail to you on August 1st by my leader(s) supplied you with receipts/invoices(任选) used for domestic entry as for us,in which prescriptions for goods indicates general titles for goods packed in each container.Here is attached with list of goods in detail.Might you consider potential issues in reference to all these as above,please.
Thanks very much.
We are looking forward to your reply.