Procedure for evalution and certification.
Rules for use of the OTC certification mark.
Declaration of the Top Managment
Appeals and Complaint.
GP 01.06-01/2016 Conformity assessment of construction products under system 1+ and 1.
GP 01.06-02 Conformity assessment of construction products under system 2+.
За проверка валидността на издадените от нас сертификати може да се обадите на тел. 02/980 04 18 или да ни пишете на e-mail office@otc-bg.com.