用英文写一封长篇书信

Dear Sir,

Thanks for your company's inquiry. I want to know what you make in your company and what your main businesses are.Regarding the product price your company asked, my quotation given by our company is in ￥4.00/case FOB Guangzhou and the minimum order should begin from 50 cases.

Would you like to tell us your contact way? Your telephone number or mailbox are OK. Our company's telephone number is ...... and email is ....@163. com.

Thank you very much.
Your early reply will help us to take a further action.

With Best Regards,
XXX
(此信引用自他人,希望对你有所帮助)