Nyrstar Metals Supply Chain Optimization Across Seven Countries
Case study of Nyrstar replacing spreadsheets with DELMIA Quintiq to optimize multi-site metals planning, blending, and sourcing across seven countries.
Nyrstar, a global zinc and lead producer, faced rising complexity after expanding from Europe into North America and Australia. The company replaced its spreadsheet-based planning system with DELMIA Quintiq to manage multi-period optimization, material blending, site-specific constraints, and volatile metal prices. The solution integrated with SAP and enabled faster scenario planning, improved data visibility, and better coordination between commercial and operations teams.
Multi-period optimization replaced single-year spreadsheet models to handle variable production mixes and feedback loops
Blending optimizer determines optimal raw material mix, purchase quantities, and treatment locations across sites
SAP integration created a single source of truth and improved inbound supply chain visibility
Scenario run time dropped from two days to a few hours, supporting rapid response to supply disruptions
Planner time allocation shifted from 30 percent planning to 80 percent planning after implementation
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