TIEMAC GMBH / AM SEEUFER / WISMAR PLANT CONSTRUCTION ⁄ APPARATUS CONSTRUCTION / STEEL CONSTRUCTION TIEMAC GMBH PRODUCTS AND SERVICES APPROVALS CONTACT IMPRESSUM APPROVALS Manufacturer's certificate DIN EN 18800 class E-7 Germanischer Lloyd certificate for I. Welding of pressure vessels II. Welding of pipelines III. Welding of mechanical engineering structures Welding certificate GSI SLV-EN1090-2 for welding steel structures Proof of the welding quality requirements according to DIN EN ISO 3834-2: 2006 TIEMAC GmbH Plant, apparatus and steel construction Am Seeufer 16 23970 Wismar Requests: Heinz Hauke info@tiemac.de Tel .: +49 3841 2720-0