英语翻译我已经联系了工厂,他们需要我们提供袋子的样品才能报价,他们需要了解袋子的厚度和材质.请这个请尽快寄给我样品并提供

Title:Please supply the samples.
We are at present in correspondence with the factory,they needs our samples of bags so that they could quote the price.They want to know the thickness and material of our bags.Please apply the samples with AWB as soon as possible.
In addition,the minimum quantity of an order for the bags is normally 30,000PCS,the price of each unit is around 5 cents.Further details will depend on your practical samples.It will take 10 days to set samples,15 days to deliver.
Is it available to increase the amount?
Once we have received the samples,we will quote the price without delay.
我只是个大学生,语法应该没有问题,不过毕竟不是对外贸易专业的,不知道是不是有“行话”的要求,只是按照一般的翻译文法去翻译了.