Obtaining this kind of permission is a very difficult procedure, since for this it is necessary to draw up a large number of documents. Certificate of conformity of products is one of these documents. Thus, the certificate of conformity of products is confirming that the technical object is fully complies with the necessary requirements of regulations, standards and provisions. The certification process can be carried out on a voluntary basis, but if we are talking about the use of technical means in hazardous industries, then such a procedure acquires a strictly mandatory nature.