class a/b steel fire-ag百家乐官网

hörmann boasts more than 50 years of experience in the production of steel fire-rated doors. with hörmann steel fire-rated doors, you are guaranteed with decades of quality and safety assurance. all steel fire-rated doors of hörmann have passed the tests of china compulsory certification (ccc) and national standard of the people’s republic of china, and all procedures including design, production and after-sales service are subject to the requirements of iso 9001 quality management system (qms). therefore, hörmann steel fire-rated doors are widely used in the fire zones from industrial and mining enterprises, public institutions, residential projects, hospitals and aviation companies, etc.