CALDERERÍA Y CONSTRUCCIÓN SL Home | Web map ABOUT US SERVICES CERTIFICATES AND APPROVALS CONTACT AND LOCATION Start Contact and location CONTACT AND LOCATION If you are interested in any of our services, fill out the contact form and send us your comments, questions or suggestions. Calderería y Construcción SL (Calcosa) Errota 2 Industrial Park - Pab.3 20270 Anoeta - Gipuzkoa Telephone: 943 652 440 Fax: 943 654 473 E-mail: calcosa@calcosa.com Purchases: purchases@calcosa.com Schedule Monday to Thursday 07:30 - 12:30 14:00 - 17:00 Friday 06:00 - 13:00 © CALCOSA - Calderería y Construcción, SL 2018 Data Protection Background image courtesy of Rojoponto , © Miguel Serrano Polígono industrial Errota 2 - Pab. 3 - 20270 Anoeta - Gipuzkoa | T 943 652 440 | F 943 654 473

CALDERERÍA Y CONSTRUCCIÓN SL Home | Web map ABOUT US SERVICES CERTIFICATES AND APPROVALS CONTACT AND LOCATION Start Certificates and approvals CERTIFICATES AND APPROVALS Since the new journey in 2003, Calcosa has opted for Quality as a primary requirement to give our customers maximum confidence. As a result, we have had the ISO 9001: 2008 standard company certificate since that year. We have approved procedures and welders to manufacture both stainless, carbon steel, duplex and superduplex. ISO 9001: 2008 Certificate number: ES04 / 0479 July 6, 2011 WELDERS APPROVAL AND PROCEDURE Carbon Steel AISI 304 AISI 316 Duplex 2205 Superduplex 2507 Corten steel SA516 Aluminum © CALCOSA - Calderería y Construcción, SL 2018 Data Protection Background image courtesy of Rojoponto , © Miguel Serrano Polígono industrial Errota 2 - Pab. 3 - 20270 Anoeta - Gipuzkoa | T 943 652 440 | F 943 654 473