譯文:It would be appreciated if you could quote your best prices of CIF Shanghai for chairs,and also let us know the earliest possible date you can make shipment.
商貿英語中通常要用“we would appreciate…”,“it would be appreciated + (clause)”或“we would be glad to…”之類的結構來表達,句中的“would,could”均表示禮貌的語氣。