The goal of this report is to analyse how the mass customization manufacturing strategy is being incorporated by a metal-mechanic company that deals with steel drawing. To sustain the research basis regarding the evaluate data, a case study based on research-action methodology was applied. Customisable goods go through the same production processes as regular products, given the fact that the raw material allows flexibility. Nevertheless, customisable goods are made regarding specific mechanical properties and unique profiles, as rounded with specific diameters, or specials, these coming from laminated bars. This entrepreneur vision seeks to integrate the manufacturing process alterations to as down the line as possible. Customers require products that are not always ready to buy in the necessary quantities and different patterns in steel distribution centres, which have regulations to obey before despatch.