报价翻译，中翻英，谢谢！

1.原材料单价浮动±5%以上作相应调整.

If the price of raw material changed over five percent, it should be adjusted accordingly.

2.包装为自制铁箱流转使用.

Package is self-made iron and can be used repetitively.

3.以上是EXW工厂交货价格.

The price above is the delivery price of EXW factory.

4.不接受每年度降价.

Never accept annual price cuts

5.结算方式与付款：人民币交易、月结算付款.

Settlement and payment:pay in RMB every month.