Own access control attendance automatic door installation and maintenance, I know the office is the largest potential customers, to send business cards feasible, do not advise
There are difficulties, you made a mistake, that is, the installation of automatic doors by the contractor to choose the decoration, and then for the customer selection, and now you go to the office building business card can only engage in after-sales maintenance, but now after-sales maintenance Everyone knows that is a piece of fat, the manufacturers are caught very firmly, more difficult to have a breakthrough, it is best to engage in relations with the contractor, before and after the package down.