英语翻译敬启者：你方11月21日来信收到,对此我们今晨已经电复.从我们的电传中你方谅必已经知道,我们能够报实盘250长吨钢管伦敦成本、保险费加运费每长吨620英镑,在收到你方订单后两个月内交货.货款的支付方式为即期信用证支付.该报盘以你方答复在一星期内到达此地为有效.你方知道,最近市场上对钢管需求量很大,因此我方对此实盘不能保留太久.需求大必然会造成涨价,这一点希望引起你方注意,同时请你们早日作答.敬上

my receiver:
You received your letter of November 21,thank you,we have the su ly of this morning.
From our telex FangLiang you already know,we can be a firm offer 250 long tons of steel tube London cost,insurance and freight ￡6.2 per long ton,after receipt of your order,delivery within two months.For payment by sight l/c.The offer is subject to your reply within a week for effective arrive here.
You know,the recent market demand for steel,so we can't keep this offer open for too long.Demand is big,it is inevitable that rises to cause your attention,at the same time,please you soon