I want to write a contact letter to explain to our customers that our company and another company belong to the same company. How should I write it?

Actually, this is a proof of company relationship.

It can be simply explained as follows:

This is to certify that XX Company and XX Company belong to the same company.

In addition, the addresses and legal representatives of the two companies should be attached and signed and sealed. (Signed by two companies as legal persons, sealed by two companies)

A contact letter is an official letter between parallel organs, organizations and units or between organs, organizations and units without affiliation to contact each other, introduce their identities, connect their official duties and exchange information.

Contact letters are widely used, including questions and answers, introductions and contacts. The language features of contact letters are equality, directness, conciseness and vividness. The content of contact letters is often expressed as one thing, one letter, and one stroke.

It is mostly used for official letters between parallel organs, organizations and units or between organs, organizations and units without affiliation, introducing identity, contacting official business and exchanging information. Contact letters are widely used, including questions and answers, introductions and contacts. The language features of contact letters are equality, directness, conciseness and vividness. The content of contact letters is often expressed as one thing, one letter, and one stroke.

According to the purpose of posting. Letters can be divided into sending letters and answering letters. Sending a letter is a letter sent by taking the initiative to raise business matters. A reply is a reply to a letter sent by the other party.

Letters can be classified from different angles:

According to the nature, it can be divided into official letter and informal letter. Official letters are used for official activities of government organs and units; Memos are used for daily work. Memos are not official documents, and there is no requirement for the format of official documents. You can even omit the title and document number, just write the organization name, writing time and official seal at the end.

According to the purpose of posting. Letters can be divided into sending letters and answering letters. Sending a letter is a letter sent by taking the initiative to raise business matters. A reply is a reply to a letter sent by the other party.

From the content and use, it can also be divided into negotiation letter, notification letter, reminder letter, invitation letter, request and reply letter, forwarding letter, reminder letter and submission letter.

Format of letters: Because there are many types of letters, there is a certain flexibility from the production format to the content expression. This paper mainly introduces the structure, content and writing of normative official documents.

The first part. It mainly includes the title and the main delivery organ.

Title. There are generally two forms of official letter titles. One consists of the name, reason and language of the issuing authority. The other is composed of reason and language.

Main transmission mechanism. That is, the organs and units that receive letters and handle letters should indicate the full name or standardized abbreviation in the top box at the beginning of the text, followed by a colon.

Words. Its structure generally consists of a beginning, a subject, an end and a conclusion.

The beginning mainly explains the reason for sending this letter. It is generally required to explain the purpose, basis, reasons and other contents of the letter, and then transfer it to the following with transitional words such as "now explain the relevant issues as follows" or "now reply the relevant matters as follows". In the reasons part of the reply, generally, the title and document number of the communication are quoted first, and then the basis and the reasons for the document are explained.

Theme. This is the core content of the letter, mainly explaining the letter. The content of the letter is very simple. One letter and one thing should be written directly to Chen Qi. Whether discussing work, answering questions, or requesting the approval of relevant authorities, we should clearly describe the problems and opinions that need to be told to each other in concise and appropriate language. If it is a reply, we should also pay attention to the pertinence and clarity of the reply.

The ending. Generally use polite language to express hope to each other. Or ask the other party to help solve a problem, or ask the other party to reply in time, or ask the other party to make comments or ask the competent department for approval.

Conclusion. Usually, we should choose to use different concluding remarks according to the matters we ask, inform, negotiate or answer. Such as "I am writing to inquire about (business)", "Please reply immediately", "I am writing to inform you" and "I am writing to reply". Some letters don't have to end. If it is a memo, you can use "from here" and "salute" like ordinary letters.

Sign at the end. Generally including signature and writing time. ? The name of the signing organ and unit, indicating the written time year, month and day; And stamped with the official seal.