英文商务信函-开头语与自我介绍

第一篇：英文商务信函-开头语与自我介绍

从中华人民共和国驻……大使馆商务参赞处获悉贵公司名称和地址，现借此机会与贵方通信，意在达成一些实际交易为开端，以建立业务系。

1.Having had your name and address from the Commercial Counselor's office of the Embassy of the People's Republic of China in..., we now avail ourselves of this opportunity to write to you and see if we can establish business relations by a start of some Practical transactions.从中国国际贸易促进会获悉，你们有意采购电器用具。

2.We have heard from China Council for the Promotion of International Trade that you are in the market for Electric Appliances.驻贵地的中国领事向我们介绍，你公司是……生产……（商品）的大出口商。

3.Your name has been recommended to us by the Chinese Consul stationed in your city as large exporters of...goods produced in....从……获悉你们行名及地址并了解你们是……有经验的进口商。现向你们开报……，盼能在贵地市场推销。

4.From..., we have obtained your name and address and understand that you are experienced importers of....We have pleasure in offering you...of which we would appreciate your pushing the sale on your market.从……获悉你公司专门经营……，现愿与你公司建立业务关系。

5.We learn from...that your firm specializes in..., and would like to establish business relationship with you.承……的介绍，获悉你们是……有代表性的进口商之一。

6.Through the courtesy of....we have learned that you are one of the representative importers of...据纽约司密斯公司所告，得悉你公司名称和地址，并得知你们……日本东京商会已把你行介绍给我们。

7.Your name and address has been given to us by Messrs.J.Smith & Co., Inc.,in New York, who have informed us that your firm has been recommended to us by the Chamber of Commerce in Tokyo, Japan.承贵地……银行通知，你们是……的主要进口商（出口商），并有意与中国进行这些方面的贸易。

8.The...Bank in your city has been kind enough to inform us that you are one of the leading importers(exporters)of...and are interested in trading with China in these lines...据了解，你们是中国……（商品）有潜力的买主，而该商品正属我们的业务经营范围。

9.We are given to understand that you are potential buyers of

Chinese...,which comes within the frame of our business activities

第二篇：商务开头语与自我介绍

商务中有很多约定俗成的写法和说法，尤其是为了建立良好的商务往来，一定要运用恰当的开头语和自我介绍。接下来小编为你带来商务开头语与自我介绍，希望对你有帮助。个月前

1.从中华人民共和国驻…大使馆商务参赞处获悉贵公司名称和地址，现借此机会与贵方通信，意在达成一些实际交易为开端，以建立业务关系。

Having had your name and address from the Commercial Counselor's office of the Embassy of the People's Republic of China in..., we now avail ourselves of this opportunity to write to you and see if we can establish business relations by a start of some Practical transactions.2.从中国国际贸易促进会获悉，你们有意采购电器用具。

We have heard from China Council for the Promotion of International Trade that you are in the market for Electric Appliances.3.驻贵地的中国领事向我们介绍，你公司是…生产…（商品）的大出口商。

Your name has been recommended to us by the Chinese Consul stationed in your city as large exporters of...goods produced in....4.从…获悉你们行名及地址并了解你们是……有经验的进口商。现向你们开报…，盼能在贵地市场推销。

From..., we have obtained your name and address and understand that you are experienced importers of....We have pleasure in offering you...of which we would appreciate your pushing the sale on your market.5.从…获悉你公司专门经营…，现愿与你公司建立业务关系。

We learn from...that your firm specializes in..., and would like to establish business relationship with you.6.承……的介绍，获悉你们是……有代表性的进口商之一。

Through the courtesy of....we have learned that you are one of the representative importers of...7.据纽约司密斯公司所告，得悉你公司名称和地址，并得知你们…日本东京商会已把你行介绍给我们。

Your name and address has been given to us by Messrs.J.Smith & Co., Inc., in New York, who have informed us that your firm has been recommended to us by the Chamber of Commerce in Tokyo, Japan.8.承贵地…银行通知，你们是…的主要进口商（出口商），并有意与中国进行这些方面的贸易。

The....Bank in your city has been kind enough to inform us that you are one of the leading importers(exporters)of...and are interested in trading with China in these lines...9.据了解，你们是中国…（商品）有潜力的买主，而该商品正属我们的业务经营范围。

We are given to understand that you are potential buyers of Chinese...,which comes within the frame of our business activities.10.通过贵国最近来访的贸易代表团，我们了解到你们是信誉良好的…进口商，现发信给你们，盼能不断地接到你们的定单。

Through your trade delegation that recently paid a visit to this country, we learned that you are well-established importers of...and are writing to you in the hope of receiving your orders from time to time.11.我们欣然寄发这封自荐信，希望是互利关系的前奏。

We are glad to send you this introductory letter, hoping that it will be the prelude to mutually beneficial relations between us.12.我们有幸自荐，盼望能有机会与你们合作，扩展业务。

We have the Pleasure to introduce ourselves to you with the hope that we may have an opportunity of cooperating with you in your business extension.13.我们冒昧通信，以期待与贵公司建立业务关系。

We take the liberty of writing to you with a view to building up business relations with your firm.14.现向贵司自我介绍，我们是国营公司，专门经营轻工业品。

We wish to introduce ourselves to you as a state operated corporation dealing exclusively in Light Industrial Goods.15.也许你们已有所知，我们是国营公司，经营……（商品）的进出口业务。

As you may be well aware, we are a state-operated corporation handling such items as..in both import and export business.16.鉴于你们是…的主要进口商之一，特此联系，盼能建立业务关系，以有助于你们满足各项需求。

As you are one of the leading importers in..., we have pleasure in contacting you in the hope of establishing business relations and rendering you assistance in a wide range of your requirements.17.了解到你们对…（商品）的进口和出口都感兴趣，故愿自荐，希望在我们两公司间建立互利的业务关系。

We understand that you are interested in both the import and export of...and it is on this subject that we wish to introduce ourselves in the hope of establishing mutually beneficial business relations between our two corporations.18.你公司是信誉卓著的照相机进口商，我公司极愿与你公司建立业务关系。为此，我们现在寄去商品目录和价目单，用以向你公司毛遂自荐。

The high reputation, which you are enjoying as camera importers, has rendered us desirous of entering into business relations with you.Accordingly, we introduce ourselves to you by sending you our catalogs and price-lists.19.我们经营的商品包括本国第一流造纸厂的产品，因此，我们有良好条件就你们提出的商品，向你们的顾客提供质量最可靠的商品。

The commodities we are handling consist of the manufactures of the first-rate paper mills of this country, and so we are in a good position to serve your customers with the most reliable quality of the line you suggest.20.我们专门经营中国美术工艺品出口，愿与你们进行交易。

Specializing in the export of Chinese Art & Craft Goods we express our desire to trade with you in this line.21.我们的主要业务是纺织品和手工艺品。

Our lines are mainly textiles and handicrafts.22.我们经营这项业务已有多年。

We have been in this line of business for many years.23.本信目的是探索与你们发展贸易的可能性。

The purpose of this letter is to explore the possibilities of developing trade with you.24.我们愿在平等互利、互通有无的基础上与你公司建立业务关系。

We are willing to enter into business relations with your firm on the basis of equality, mutual benefit and exchanging what one has for what one needs.25.我们愿与你们建立友好业务关系，分享互利的交易。

We wish to establish friendly business relations with you to enjoy a share of mutually profitable business.26.盼直接洽谈，以便将你公司特种经营商品引进我地市场。

We wish to enter into direct negotiation with you with a view to introducing your special lines in our market.27.我们有意向中华人民共和国寻求原油供应来源的可能性.We are interested in the possibility of establishing sources of supply of crude oil from the People's Republic of China.28.建议试试利用一下我们的经验和专门知识。

We advise you to make use of our experience and special knowledge on trial.29.相信我公司的对外贸易经验以及对国际市场情况的熟悉，可能使我们有资格得到你们的信任。

We trust that our experience in foreign trade and intimate knowledge of international market conditions will entitle us to your confidence.30.我公司与此地可靠的批发商有密切联系，能与你公司作可观的进口业务。

Being closely connected with reliable wholesalers here, we shall be able to do considerable import business with you.31.我们能开报十分优惠的条款。

We are able to quote you very advantageous terms.

第三篇：英文商务信函

建立办事处 Establishment of new branch

Dear Mr./ Ms, Owing to the large increase in the volume of our trade with this country we have decided to open a branch here, with Mr.Wang Lo as manager.The new branch will open on 1st March and from that date all orders and inquiries should be sent to Mr.Wang Lo at the above address, instead of to our London office.We take this opportunity to express our thanks for your cooperation in the past.We hope the new arrangements will lead to even better results.Yours faithfully

歇业 Discontinuation of business

Dear Mr/Ms, With the demolition of our premises at the above address under a redevelopment scheme, the part of our business carried on there will be discontinued after the end of October.On Monday, 1st October, we are holding a closing-out sale.Stock on hand will be cleared regardless of cost.There will be substantial reductions in all departments and in some cases, prices will be marked down by as much as one half.Stock to be cleared is unrivaled in both variety and quality.As the sale is likely to be well attended, we hope you make a point of visiting the store as early as possible during the opening days.Yours faithfully

更改名称和地址 Change of name and address

Dear Mr./ Ms, At our company meeting on 4 September, it was decided that the name of our company would be changed to CNMIEC Lee Co.At the same time, it was decided to move the company from the above address to No3-6 Broadway Street.We will appreciate your informing the appropriate departments of these changes.Yours faithfully

新的任命 New appointment

Dear Mr./ Ms, We wish to notify you that Mr.Robert Smart, who has been our representative in Southwest England for the past seven years has left our service and therefore no longer has authority to take orders or collect accounts on our behalf.We have appointed Mr.Fred Peterson in his place.Mr.Peterson has for many years been on our sales force and is thoroughly familiar with the needs of customers in your area.We trust you will have good cooperation from him.Yours faithfully

公司的建立与重组Establishment or reorganization of company

Dear Mr./ Ms, We are pleased to announce that as of 1st June our firm will merge with D & W Co.of this town to form the new firm of CN/CW Co.The new firm will carry on business at 6 Rue de Toqueville, Tripoli, to which address please send all communications after 31st May.We appreciate the confidence you have placed in us in the past and look forward to continued dealings with you.Yours faithfully

咨询 Consultation

Dear Mr./ Ms, We are much concerned that your sales in recent months have fallen considerably.At first we thought this might be due to a slack market, but on looking into the matter more closely, we find that the general trend of trade during this period has been upwards.It is possible that you are facing difficulties of which we are not aware.If so, we would like to know what we can do to help.We, therefore, look forward to receiving from you a detailed report on the situation and suggestions as to how we may help in restoring our sales to their former level.Yours faithfully

道歉与解释Apology & Explanation

Dear Mr./ Ms, We are sorry we cannot send you immediately the catalogue and price list for which you asked in your letter of March 10.Supplies are expected from the printers in two weeks and as soon as we receive them, we will send you a copy.Yours faithfully

Dear Mr./ Ms, I was very concerned when I received your letter of yesterday complaining that the central heating system in your new house had not been completed by the date promised.On referring to our earlier correspondence, find that I had mistaken the date for completion.The fault is entirely mine and I deeply regret that it should have occurred.I realize the inconvenience our oversight must be causing you and will do everything possible to avoid any further delay.I have already given instructions for the work to have priority and the engineers working on the job to be placed on overtime.These arrangements should see the installation completed by next weekend.Yours faithfully

提示Attention

Dear Mr./ Ms, On 14 November I submitted a bill for services rendered to your office at the Lille International Exposition.More than a month has now elapsed without payment or acknowledgment of my bill.Please check this oversight, and remit payment at your earliest convenience.I look forward to future services to your corporation.Thank you for your prompt attention to this matter.Yours faithfully

感谢信 Thank-You Letter

Dear Mr./ Ms, Thank you for your letter of June 4, enclosing an account of the organization and work of your Chamber of Commerce and Industry.We are very grateful for such a detailed account of your activities.This information is certain to help increase our future cooperation.Yours faithfully

祝贺信 Congratulation Letter

Dear Mr./ Ms, On the occasion of the 35th anniversary of your National Day, please accept our heartiest congratulations.May the trade connections between our countries continue to develop with each passing day!Yours faithfully Dear Mr.Minister

Allow me to convey my congratulations on your promotion to Minister of Trade.I am delighted that many years service you have given to your country should have been recognized and appreciated.We wish you success in your new post and look forward to closer cooperation with you in the development of trade between our two countries.Sincerely

Dear Mr./ Ms, Thank you for your letter conveying congratulations on my appointment.I wish also to thank you for the assistance you have given me in my work and look forward to better cooperation in the future.Sincerely

邀请与答复Invitation and Reply

Dear Mr./ Ms, We should like to invite your Corporation to attend the 1997 International Fair which will be held from April 29 to May 4 at the above address.Full details on the Fair will be sent in a week.We look forward to hearing from you soon, and hope that you will be able to attend.Yours faithfully

Dear Mr./ Ms, Thank you for your letter of March 20 inviting our corporation to participate in the 1997 International Fair.We are very pleased to accept and will plan to display our electrical appliances as we did in previous years.Mr.Li will be in your city from April 2 to 7 to make specific arrangements and would very much appreciate your assistance.Yours faithfully

Dear Mr./ Ms, Thank you very much for your invitation to attend the 1997 International Fair.As we are going to open a repair shop in your city at that time, we are sorry that we shall not be able to come.We hope to see you on some future occasion.Yours faithfully

宣布访问Declaring A Visit

Dear Mr./ Ms, Mr.William Taylor, President of our Corporation and Mr.James Rogers, Marketing Manager, would like to visit Beijing to continue our discussions on a joint venture.They plan to leave in the second half of April and stay in China about a week.Please let us know if the planned visit is convenient for you and what itinerary you would suggest.If the time of their visit is agreeable, will you kindly request your Embassy here to issue the necessary visa? Yours faithfully

活动安排Activity Arrangement

Dear Mr./ Ms, We are very pleased to welcome President William Taylor and Manager James Rogers to Beijing and Shanghai in the second half of April for about a week.As requested, we propose the following itinerary for your consideration.Would you please confirm by fax so that we can make arrangements accordingly.Yours faithfully

第一种、介绍信 Letters of Introduction

Dear Mr./ Ms.，This is to introduce Mr.Frank Jones, our new marketing specialist who will be in London from April 5 to mid April on business.We shall appreciate any help you can give Mr.Jones and will always be happy to reciprocate.Yours faithfully

Dear Mr./ Ms，We are pleased to introduce Mr.Wang You, our import manager of Textiles Department.Mr.Wang is spending three weeks in your city to develop our business with chief manufactures and to make purchases of decorative fabrics for the coming season.We shall be most grateful if you will introduce him to reliable manufacturers and give him any help or advice he may need.Yours faithfully

第二种、约定 Appointments

Dear Mr./Ms，Mr.John Green, our General Manager, will be in Paris from June 2 to 7 and would like to come and see you, say, on June 3 at 2.00 p.m.about the opening of a sample room there.Please let us know if the time is convenient for you.If not, what time you would suggest.Yours faithfully，Dear Mr./ Ms，Thank you for your letter informing us of Mr.Green’s visit during June 2-7.Unfortunately, Mr.Edwards, our manager, is now in Cairo and will not be back until the second half of June.He would, however, be pleased to see Mr.Green any time after his return.We look forward to hearing from you.Yours faithfully，Dear Mr/Ms，I represent the W/P Electronics Company in Dallas, and will be in Kunming from next Monday to Friday,(October 5-9).I should like to call on you to discuss our new monitor.Would 0930 hours on Tuesday, October 6 be convenient?

I shall be in Beijing, at the Great Wall Hotel, from Tuesday, September 29, until Sunday, October 4, where a message will reach me.If the day is not convenient, will you please suggest another.Yours faithfully

Dear Mr/Ms, Thank you for your letter of September 26.We shall be very pleased to see you and discuss your new monitor, but October 6 is not suitable.We will be happy to meet with you at 9:30 a.m.on Wednesday, October 7, if the time is convenient for you.We look forward to meeting you.Yours faithfully

Dear Mr./ Ms，I am at present in Hamburg visiting the harbour with a view to making known our new type of container for use in Europe.I shall be in Antwerp on Wednesday, 4th June, and should like to call on you at 2.00 p.m.on that day.If I do not hear from you to the contrary, I shall assume that it will be convenient for me to call at that time.Yours faithfully

4.Dear Mr./ Ms，Mr.Jack Baron, our personnel director, has asked me to acknowledge your application for the post of accountant and to ask you to come to see him on Friday afternoon, 5th July, at half past two.I will appreciate your letting me know whether you will be able to come.Yours faithfully

Dear Mr./ Ms，Thank you for your letter of yesterday inviting me to come for an interview on Friday afternoon, 5th July, at 2:30.I shall be happy to be there as requested and will bring my diploma and other papers with me.Yours faithfully

第三种、通知与确认Acknowledgments & Confirmations 通知对方接到来信Acknowledging receipt of letters 1.Dear Mr./ Ms，Thank you for your letter No.A-3 of 6th May, offering us 6 UI-4 Viewdatas.We have passed it on to our Technical Department for their consideration.We shall reply as soon as possible.Yours faithfully 2.Dear Mr/Ms，We have today received with thanks information concerning transactions on the New York Wheat Exchange which will be made full use of by our research department.We look forward to further cooperation with you.Yours faithfully

确认达成的协议 Confirming agreements reached 3.Dear Mr./ Ms，Last Friday, when we were discussing the problems of defective containers.You suggested that I simply mail you a report each month on the number of return by customers rather than send the defective containers to you.I plan to put this into effect at once.But, I first want to make sure that I understand you correctly.If I don’t hear from you within the coming week, I’ll assume that you approve.Yours faithfully 4.Dear Mr/Ms，We write to confirm our agreement reached during our conversation on 9th June about special discounts on M-S Acoustical Partitions as described on page 8 of our catalogue.These prices will prevail through 30 June.We will be happy to receive your order Yours sincerely 5.Dear Mr/Ms，As our telephone negotiation this morning was very brief and proceeded so smoothly, I thought it might be advisable to summarize the agreement:

I look forward to signing the contract when we meet next week.Yours faithfully

第四篇：英文商务信函

英文商务信函范文

做对外贸易的不可避免会使用到英文商务信函范文，当与国外客户进行外贸业务交易时，会接受英文商务信函。同时做贸易出口的企业也需要明确英文商务信函范文的填写方式。

做对外贸易的不可避免会使用到英文商务信函范文，当与国外客户进行外贸业务交易时，会接受英文商务信函。这是双方生意往来的一种沟通工具，尤其是在国际主流在线贸易网站eBay上做出口贸易的商家而言，eBay商家会使用到英文商务信函范文。

事实上，英文商务信函范文包含以下内容：

A.建立贸易关系

1.我们愿与贵公司建立商务关系。

2.我们希望与您建立业务往来。

3.我公司经营电子产品的进出口业务，希望与贵方建立商务关系。

B.自我推荐

1.请容我们自我介绍，我们是……首屈一指的贸易公司。

2.本公司经营这项业务已多年，并享有很高的国际信誉。

3.我们的产品质量一流，我们的客户一直把本公司视为最可信赖的公司。

C.推销产品

1.我们从……获知贵公司的名称，不知贵公司对这一系列的产品是否有兴趣。

2.我们新研制的……已推出上市，特此奉告。

3.我们盼望能成为贵公司的……供应商。

4.我们的新产品刚刚推出上市，相信您乐于知道。

5.相认您对本公司新出品的……会感兴趣。

D.索取资料

1.我们对贵方的新产品……甚感兴趣，希望能寄来贵公司的产品目录及价目表。

2.我们从纽约时报上看到贵公司的广告，但愿能收到产品的价目表及详细资料。

3.获知贵公司有……已上市，希望能赐寄完整的详细资料。

4.如蒙赐寄贵公司新产品的详细资料，我们将深表感激。

5.如蒙赐寄有关……的样品和价目表，我们将甚为感激。

E.寄发资料

1.很高兴寄你一邮包，内装……

2.欣寄我方目录，提供我方各类产品的详细情况。

3.欣然奉上我方产品样品，在贵方展厅展出。

4.为使贵方对我方各种款式的手工艺品有一初步了解，今航邮奉上我方目录和一些样品资料，供参考。

F.附寄资料

1.随函附上本公司新出品的……样品，请查收。

2.随函附上购货合同第××号两份，希查收，谅无误。请会签并退我方一份备案。

3.我们很高兴地附上询价单第××号，请贵方报离岸价格。

4.我们确认向贵方购买……,随函附上订单确认书供参照。

H.请求报价

1.兹函请提供……的报价。

2.请将定期供应……之报价赐知。

3.请将下列货品的最低价格赐知。

总之，做对外贸易出口的企业需要明确英文商务信函范文的填写方式，真正做到专业的外贸商家。同时也能进一步促进业务成交量，大大的提高成交率。

第五篇：商务信函常用开头语汇总

)特此奉告等

To inform one of;To say;To state;To communicate;To advise one of;To bring to one's notice(knowledge);To lay before one;To point out;To indicate;To mention;To apprise one of;To announce;To remark;To call one's attention to;To remind one of;etc.1.We are pleased to inform you that

2.We have pleasure in informing you that

3.We have the pleasure to apprise you of

4.We have the honour to inform you that(of)

5.We take the liberty of announcing to you that

6.We have to inform you that(of)

7.We have to advise you of(that)

8.We wish to inform you that(of)

9.We think it advisable to inform you that(of)

10.We are pleased to have this opportunity of reminding you that(of)

11.We take the advantage of this opportunity to bring before your notice

12.Please allow us to call your attention to

13.Permit us to remind you that(of)

14.May we ask your attention to

15.We feel it our duty to inform you that(of)

(2)为(目的)奉告某某事项

1.The purpose of this letter is to inform you that(of)

2.The purport of this line is to advise you that(of)

3.The object of the present is to report you that

4.The object of this letter is to tell you that5.By this letter we Purpose to inform you that(of)6.Through the present we wish to intimate to you that 7.The present serves to acquaint you that(3)惠请告知某某事项，等1.Please inform me that(of)2.Kindly inform me that(of)3.Be good enough to inform me that(of)4.Be so good as to inform me that(of)5.Have the goodness to inform me that(of)6.Oblige me by informing that(of)7.I should be obliged if you would inform me that(of)8.I should be glad if you would inform me that(of)9.I should esteem it a favour if you would inform me that(of)10.I will thank you to inform me that(of)11.You will greatly oblige me by informing that(of)12.We shall be obliged if you will inform us that(of)13.We shall be pleased to have your information regarding(on, as to;about)14.We shall deem it a favour if you will advise us of15.We shall esteem it a high favour if you will inform us that(of)(4)特确认，本公司某月某日函件等1.We confirm our respects of the l0th May

2.We confirm our letter of the l0th of this month3.We confirm our last letter of the l0th June4.We had the pleasure of writing you last on the l0th of this month5.We confirm our respects of the l0th June6.We confirm the remarks made in our respects of the l0th July7.We confirm the particulars of our enquiry by telephone of this morning8.In confirming our telegram of this morning,--9.Confirming our respects of the 10th May,---10.Confirming our last of the 10th June,---(5)贵公司某月某日函电，敬悉等l.We have pleasure in acknowledging receipt of your esteemed favour of the 3rd May2.We are pleased to acknowledge receipt of your favour of the lst June3.We have to acknowledge receipt of your favor of the 5th July4.Your letter of May 5 was very welcome5.Your letter of April l0 gave me much pleasure6.Your esteemed favour of 7th May was duly received by us7.Your favour of the 5th June is duly to hand8.Your favour of the l0th is to(at)hand9.We are in due receipt of your favour dated the 7th June10.We are in receipt of your letter of the 7th July11.We are in possession of your letter of the 5th April

12.We have duly received your favour of the 5th March

13.Your letter of yesterday's date is duly to(at)hand

14.Your esteemed communication of yesterday's date is just to(at)hand

15.We thank you for your favour of the 5th May

16.We are obliged for your letter of the 5th May

17.Many thanks for your latter of the 5th June

18.Very many thanks for your letter of May 5

19.In acknowledging receipt of your letter of the 5th June,...20.Your favour of the 5th May has just reached me

21.Your favour of the 5th May is duly received

22.Your favour of the 5th May is now before me

23.Your promised letter under date(of)the 5th June has just reached us

(6)特回答贵公司某月某日函所叙述有关事项等

1.I have the pleasure of stating, in answer to your inquiry of the 4th inst, that

2.In reply to your letter of the 5th of May, I have to inform you that(of)

3.I hasten to answer your inquiry of the l5th May, by stating that

4.We are in receipt of yours of the 5th June, in reply to which we are pleased to state that

5.In reply to yours of the l0th May, relative to..., I would say that

6.I am in receipt of your favour of the 7th May, and in response I inform you that(of)

7.In response to your letter of l0th May, I wish to say that

8.In answer to your favour of the 5th May regarding...I reply as follows:

9.Answering your letter of the 8th of February re..., I would say that

10.In reply to your letter of February 8th, I inform you that(of)

11.Replying to yours of the 8th of February regarding..., I would say that

12.Replying to your favour under date of February 8th re..., I say that