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ISO 3834 "Quality requirements for fusion welding of metallic materials" is an internationally recognized quality system standard developed specifically for companies that weld. It applies to manufacturing, both in workshops and at field installation sites, providing criteria to be taken into account for the selection of the appropriate level of quality requirements for fusion welding of metallic materials. Like investing in staff, training and new equipment, implementation of ISO 3834 is the perfect solution for welding fabricators and manufacturers in search of a quality system in their companies that reflects what they do and allows them recognition for their welding and fabrication quality, which will not only improve their businesses but also open up new markets and increase their competitiveness within the industry.