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CONCRETE PIPES AND MANHOLES120 CPI %u2013 Concrete Plant International %u2013 2 | 2026 www.cpi-worldwide.comPretensados Nacionales S.A. is a wholly Costa Rican company founded in 1960 thanks to the vision and entrepreneurial spirit of Don Miguel %u00c1ngel Gonz%u00e1lez Camacho %u2013 a legacy that is being continued by his sons Miguel %u00c1ngel and Eloy Alberto Gonz%u00e1lez Volio with unwavering entrepreneurial commitment. From the outset, the company has distinguished itself by manufacturing products to very high quality standards, using certified materials and efficient production processes. This guarantees customer satisfaction and strict compliance with applicable regulations.Over the course of more than six decades, Pretensados Nacionales has evaluated and integrated state-of-the-art technologies, selecting only those that have proven to be reliable and efficient on the international market. This philosophy has enabled continuous modernisation of production processes through the use of the latest generation of machinery and the selection of leading manufacturers worldwide.Today, Pretensados Nacionales S.A. is a leading company in the Costa Rican market, whose main feature is the quality of its products. This attribute has cemented customer confidence and enabled the company to actively participate in the country%u2019s most important infrastructure projects.Extensive portfolio of ready-made solutionsThe company manufactures a wide range of ready-mix concrete products tailored to the needs of the infrastructure, construction and industrial sectors, including:Pretensados Nacionales S.A.: six decades of leadership, innovation and trust in reinforcement machines from Germanymbk Maschinenbau GmbH, 88353 Kisslegg, Germany In January 2026, the third mbk machine, a fully automatic BSM-250-R with high production capacity, was put into operation.

