All our work is guaranteed with the Quality Management System certified to ISO 9001, ISO 14001 and ISO 45001 por Lloyd's Register Quality Assurance. by Lloyd's Register Quality Assurance. MEFASA is certified as well by ASME to use its "U" stamp on metal pressure vessels.

In addition, MEFASA has a stamp certifying NB in pressure vessels by NATIONAL BOARD.

In the Capital Goods Divisions (Metallic & Plastic) likewise to the mandatory application of the Quality System, MEFASA uses and certifies all tests in the laboratory of the Technological Institute of Materials (ITMA). It adds a additional guarantee to our products for being this an official institute and independent entity.

From the point of view of Quality Control, MEFASA has advanced resources for control and inspection of components or machinery, using, among others, Unimaster, feritscope, micrometers, durometers, Laser Tracker, Profilometers, etc., rigorously calibrated to offer customers an assurance of a well executed job.