"GALVANIZADOS DE LA MANCHA" is a PARROS GROUP trade mark which manages a Hot-dip Galvanizing Facility (size 12.5 x 1.7 x 2.6 m). It is demostrated that Hot-Dip Galvanizing represents the best treatment for iron and steel anti-corrosive covering. According to the current regulations this treatment is obligatory for the majority of outside metallic structures due to the numerous high quality and properties that zinc produces through its alloy with iron.