Tecna Spot Welders On the Cutting Edge of Technology Since 1972 Since its inception, resistance welding has been TECNA’s core business. This has allowed TECNA to become a leader in the design and production of the widest range of spot and projection welders, used in numerous different industrial sectors, vehicle welding lines, car body repair workshops, metal sheet, electric appliances and many other applications. The company’s mission focuses on maintaining world leadership in the resistance welding industry. How? By revolutionizing the sector with continuous innovation in technology, processes, design and ergonomics. By anticipating the needs of our customers, providing solutions tailored to their needs. By focusing on automation and robotics.