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

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 weak.Thanks for your understanding and support.It’s certain to help increase our future cooperation.I believe prices just a periodic problem .Although the price of raw materials has gone up,we still can use this opportunity to improve production technology and reduce the labor cost.In a few days,I'll make a new price list to you so that you can be detailed to know about the price of our products.Welcome to order our products.
I apologize for the inconvenience caused by the price increase and thanks again for your trust.I hope we'll hear from you soon.
yours