请英语高手帮忙翻译一下，谢谢！

Please let me know whether you have mailed the sample. If you have please give us the tracking #; if you haven't please arrange shipping as soon as possible, since it will be needed here during our meeting early March. Thanks!

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May I ask whether you have sent the samples yet? If yes, please kindly let me know the courier tracking No., or please arrange for sample delivery at your earliest convenience, because we need them for our conference to be held here in early March. Thank you very much.

Hey,
Just want to know whether you guys send the sample or not. Please inform the mail tracking number if it was sent already or please make the sample shipped out ASAP as we are going to use it in the meeting at the beginning of the March. Thanks

Please let me know if you have sent out the sample or not. Please inform us the tracking number if it has been sent out already or arrange the shipment as soon as possible so that we can catch the meeting at the beginning of March. Thank you!

Please let me know whether you have sent the sample. If you have, please give us the tracking number; if you haven't, please arrange the mail as soon as possible, because it will be needed here during our meeting in early March. Thank you!