一个厂商给另一厂商写的感谢信 原材料涨价的事情 英语作文怎么写
问题描述：
一个厂商给另一厂商写的感谢信 原材料涨价的事情 英语作文怎么写
答
Dear factory director ,I am writing this letter to thank you for your concern.Recently,the price of our products is increasing because the cost of raw materials has moved up greatly and the market is ...