Qualità Invernizzi e Mutazzi
Invernizzi & Mutazzi keeps under constant control the quality of its products: it regularly issues international 3.1B standard certificates and other specific documents, when requested. Every production lot is kept under constant control all along the entire production process, from the choice of raw materials to the manufacturing cycle, from temperatures to grammage, down to packaging methods. At the end of the process, a certificate attesting zinc grammage, chemical and physical features, mechanical features is issued.