The validity of the certificate can be checked trough www.udem.com.tr, Upon completion of EC declaration of conformity, it is used solelly at the manufacturer's responsbilitly. This certilicate remains the property of UDEM Intemational Certification Auditing Training Centre lndustry and Trade lnc. Co, to whom it must be returned upon reguest. The above named firm must keep a copy of this certificate for 15 years from the registration of certificate, this certificate only covers the product(s) stated above and UDEM must be noticed in case of any changes on the product(s).