求中译英！急！

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仅供参考：
To whom it may concern,

Thank you for your letter dated 21 November, which we had replied in a fax this morning.

As mentioned in the fax, our quote for 250 gross ton steel pipe is £620/ton CIF LAGAS, delivered in two months after order. The offer is firm and valid if we hear from you within one week.

Because of huge market demand for steel pipe rently, we can not hold this firm offer for too long. Huge demand drives up prices. Please reply early.

Yours sincerely,

XXX