正式的书面表达有关询问进口事宜的信件应该怎么写？（英文的）

外贸函电讲究简练，可以用一个单词说明的事情，绝对不要用第二个。
函电的第一条应该是主题，英文写作 RE: XXXXXX ,可以将你们询价的商品名称写在这里。 正文也必须简练，可以逐条罗列你们想要了解的货物的规格，性能，质量，价格及价格条款，付款方式等，其次，还有运输细节，货物包装等。
建议你最好找一位熟悉进口询价的专业人士当面协助你，询价看似简单，其实不然，如果你的询价写的很专业，对方就会比较关注你，也会给你比较好的价格，如果写的不专业，对方就可能轻视你。

Dear Sir,
It is very pleasant to know your name and address from the Chamber of Commerce. Hereby, I take liberty of asking you a few questions about the import details. On this occasion, I hope that you may give me a favor and thanky you very much.
What I wanna know is that```````具体内容加进去吧```````````````````````````````````````````````````````````````````````
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Look forward to your soonest reply.
Best wishes and have a nice day!
Yours sincerely,
(Helen)