СЕРТИФИКАТИ НА ФИРМАТА                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Сертификат за съответствие на производствен контрол и заваръчен сертификат 2. Сертификат, издаден по стандарт БДС EN ISO 9001:2015