下面这段话怎么翻译成英文（外贸英语)
JACK，你好！
我们公司想定购2箱rutile sand。我们希望你能尽快把合约传真给我以便我能尽快开证（open the L/C）。
我们想与你保持长期合作所以请在价格上给与优惠。
参考答案:Dear Jack,
We want to order two boxes of rutile sand from you. We hope you can fax the contract to us so that I can open the L/C to you asap.
Besides, we sincerely hope that we can keep a long-term cooperation relationship with you. Would you please give us some discount?
Thank you and best regards!