SIGEVAL, S.A. was in the international SMAGUA 2006 exhibition in Zaragoza, together with the most important manufactures of products connected to water. SIGEVAL, S.A. was very glad to receive the visit of some very important customers ADL Co (Russia), ALTECH (Scandinavia), ERECA (Switzerland), TUNING - CODITAL (France), NORR SYSTEM (Singapore) y PRISME CONTROMATIC (China).