退运协议 英语高手帮忙翻译一下

Our company exported to Japan a batch of ** company's model head on March 21 2010,total 3200 items,amount value us$43200. As some products have quality problem,such as the amplitude is not enough and the color is wrong, per our negotiation by both sides, we decide to return 652 items per the the return treaty contents,which valued us$8802. applying hereby.