As far as you transmit personal data via E-Mail or any present forms, the data is exclusively used for the offers requested by you. In each case only data is queried, which is compellingly necessary for the respective service. These personal information is stored for this either by EDP within the company or in a data base on the Web server. A passing to third persons does not take place.
It may be possible that I announce myself again to you by E-Mail some time after the offer, in order to find out if the information was helpful for you or to send you some news concernig the offered topic. Every time you could contradict to this and require the deletion of your data simply by E-Mail.