麻烦英语高手帮我修改下这句句子!
原文：我们保证一收到你的银行汇票就在7天之内装运,并在装运完毕后通知你运送日期.
我是这么写的：We are pleased to be able to guaratee shipment of the goods within 7 days your order as soon as we will receive your bank draf,and we also will tell you shipping date after shipment of the goods finish.
麻烦高手们看下我这样写对不对,哪里还可以改一下,使句子更好!