如何回复以下客人投述货物品质的邮件，盼高见！！

I must say that we are NOT happy with your stock this year. We sent the first stock out last week and this morning he received 7 complaints from 7 customers (please see below). As we he over sold the stock we were planning next year to double our quantities but we are now afraid that our problems will also be doubled. As you can see a lot of the complaints are about the packing, size breakdown and mixed colours.Im not sure how this has happened if your QC are doing their job correctly. We are now thinking that we should he sent our own QC to inspect the goods but we were expecting your company to do this job for us. Please send your comments ASAP. Customer 1.Style Zippy Size breakdown wrong, Mixed colours in cartons, 2 pairs odd sizes. Customer 2.Style Angel Size breakdown wrong. Customer 3.Style Desta Size breakdown wrong. Customer 4.Style Zippy Size breakdown wrong Glue marks. Customer 5.Quality issues. Customer 6.Style Pearl Quality issues, Tan marks on Black upper were the boot was folded without ant paper b广告een the uppers. Customer 7.Style Desta Brushing hey on toe and heel, mixed colours in cartons, size breakdown wrong. We are expecting more complaints in the next few days but he contacted you quickly as we want to keep you informed.