TUPAI, established in 1976 is a company that operates in the metalworking sector, adopting as guiding lines the Reliability in the relationship with its partners, Rigor in the commitments and Respect for the legal and environmental norms. With the Mission of being a global company that involves people and partners in the continuous search of success, TUPAI is an Organization that combines the knowledge of generations with the professionalism and good management practice.

For more than 40 years It has extended its presence in Portugal and in several countries around the world, operating in two different business segments, the standard products of its catalogue (hardware for building construction) and OEM products (according to customer specification).

As a manufacturing industry, TUPAI obtains its products from 4 basic raw materials, brass, zamak, aluminum and stainless steel, developing its production processes in an integrated manner, from brass forging, brass and zamak injection, cold and laser cutting, using refined technology in surface polishing, with robotic processes, combined with manual processes, ensuring high quality standards using demanding galvanic processes, which allow it to offer a wide range of colors and finishes in a greater number to 150.

TUPAI is certified by the Norms ISO 9001-2015 and ISO 14001-2015, and the compliance of the legal and environmental requirements is a permanent concern, assuming also an important role in social level. TUPAI is now a reference brand together the architects, designers, distributors, installers and final consumers.