Put the following letter into English.
执事先生：
事由：缝纫机
本公司是拉哥斯（Lagos）最大的缝纫机进口商之一，我们经营各种牌号的缝纫机已有20余年了。我们热切地希望与你公司建立贸易关系，发展我们两国之间的贸易。
随函附上第303号询价单一张，盼望你方早日给我们报拉哥斯CIF价，包括我们的佣金5％。报价时请讲明最早交货期和可供数量。为了便于我们了解你们的产品，请你们立即航邮目录本一份。
倘若你方报价具有竞争力的话，我们打算购500台。
如蒙早日复信，不胜感激。
XXX谨上
Dear sirs,
we are one of the biggest importers for sewing machine in Lagos,dealing in various kinds of brand
sewing machine for more than twenty years.we are eager to establish business relation with us,
developed the trade between our two countries.
Enclosed please find the enquiry list No.303,In the hope of you can quote us the CIF Logos,inclusive of 5% commission.please make it clear that the earliest delivery date and the suppliable quantity.In order to acquaint us with your business lines easily,please kindly let us have your catalague
by airmail without delay.
Should your price be found competitive,we intend to order 500 sets.
We will appreciate it if you can give us an early reply.
Yours truthfully,
***
Manages gentleman: matter:
Sewing machine this company is Lagos (Lagos) one of biggest sewing machine importer, we managed each kind of trademark the sewing machine to have 20 remaining years of life. We hoped earnestly establishes the trade ties with your company, develops between both of our countries trade. with the letter enclosed 303rd inquiry sole, hoped that you will soon give us to report the Lagos CIF price, including ours commission 5%. When quoted price please clarify that the earliest date of delivery and may supply quantity. For ease of us understood that your product, invites you immediately airmail table of contents this.if you quote price have the competitive power words, we planned that buys 500. the like Mongolia will soon reply with a letter, feels grateful extremely.
XXX on sincerely