Data protection


MMU BAU Fenestration Co., Ltd. (hereinafter referred to as “MMU”) thanks you for visiting our website and for your interest in our company and our products. We take the protection of your private data seriously and we want you to feel comfortable when visiting our Internet pages. The protection of your privacy is of the utmost importance to us. Therefore it goes without saying that we comply with statutory provisions for data protection. Our employees are obligated to treat all information confidentially and they receive regular training in the areas of data protection and data security. In the sections below, we would like to briefly explain how we protect your data and what it means for you when you make use of our online offers.

Access data

When our Internet pages are called up, MMU receives access data which is stored for protective purposes that basically allows us to identify you. This data includes

  • the name of your Internet service provider
  • the country you come from
  • the website you come from to visit us
  • the search term you use, if you come to our site via a search engine
  • the websites of ours that you visit
  • the user tool (web browser, operating system) you use to access us
  • files that you download from our site (e.g. PDF or Word documents);
  • the duration of your visit
  • the date and the time of your visit

This will enable us to optimise our offerings as a whole and personalise the content specifically for you, e.g. recognise you as a return visitor to our Internet offering. If you have an existing data set, the new Data can be allocated to this data set in many cases.

Personal data

Personal data is information that is used explicitly to determine your identity. It includes information such as your name and your postal or e-mail address. The only time we save personal data in addition to your access data is if you give us this information voluntarily, e.g. as part of a registration, a survey, a prize competition, a contact inquiry, an application for a newsletter or to process an online order. Moreover, personal data is used only to the extent necessary and only for the legally permissible purpose for which you gave your consent. To ensure the secure transmission of your data, MMU employs encryption procedures in secure areas. This means that communication between your browser and our websites, for instance, cannot be read by others on the Internet. Incidentally, using our websites is regarded as consenting to the storage and use of your data by MM-SH and its partners.

Passing on personal data to third parties

MMU renders some of its services together with select partners. These partners are subject to the same strict statutory provisions for data protection as and are integrated into the data-protection concept of MMU. Personal data is only passed on

  • the services from third parties are actually necessary during the process of providing any services by us through our websites and the related services are based on your personal data; under such circumstance, we will make specific explanation to you and you have the right of refusal, while such refusal by you will lead to the failure of providing related services to you by us
  • in exceptional cases, provided you have given your prior consent

Additional information - such as voluntary statements about your primary areas of interest - is not passed on to third parties by MMU. Personal data is conveyed to the relevant competent authorities only within the scope of requirement of the related laws and regulations or such competent authorities. 

Power of revocation

If you request in writing that MMU or the representative responsible for you correct, cease from using or delete your personal data, we shall of course do so immediately. If you are registered as a user, we also offer you the opportunity to view the data for yourself and delete or change it if necessary.


Cookies are small text files which are used by many websites in PRC and throughout the world. Cookies are created during your visit to our website and are placed on your hard disk by our server. Our cookies contain no information about specific individuals. Moreover, cookies placed by our servers can only be read again by us and not by any external website. Most browsers are set to automatically accept cookies. If you do not wish to enjoy the advantages of cookies, you can deactivate this function in your browser. Please be sure to take your browser's individual setting possibilities into account prior. Naturally, you can also view our website without cookies. However, doing say may limit the way our offers work.

Moreover, in order to optimize the services provided by us during the operating process of our websites, we are likely to apply other technology of data processing and collecting apart from the abovementioned technology. We will make a separate notification and amend the terms of this Data Protection correspondingly before the introduction of such technology. Same as the application of Cookies, you may refuse the application of such technology at any time during the access of our websites.

Other active content (e.g. Javascript, ActiveX)

Javascript, ActiveX and other website control elements and script languages that contain executing elements can be deactivated at any time for security reasons using your browser. Our web pages are still navigable without Javascript.


Some of MMU's web pages contain links to other websites. We take all reasonable care to check these direct links. MMU is not responsible for the content of the websites to which we link. MMU is also not responsible for the content of websites with links to our website.


MMU reserves the right to alter these guidelines for data protection at any time in compliance with the stipulations of related laws and regulations.

Questions and comments:

If you have any questions or recommendations about data protection at MMU, please feel free to contact us:

MMU BAU Fenestration Co., Ltd.

Radiance Jin Hui Building, Tower 6,Section 4, Wang Jing Dong Yuan, Chaoyang District, Beijing China, 100102

Tel: +86-10-84719580

Fax: +86-10-84719580*881