Wolverine Coil Spring (WCS) works with a wide array of raw materials tailored precisely to meet our customers' rigorous specifications. Ensuring WCS delivers on its commitment to excellence, we partner with suppliers that equally value efficient production processes. Additionally, WCS consistently probes suppliers to explore improvements for up-to-date pricing. While indexes provide a foundational reference point, we pursue long term partners in suppliers to benefit our customers and maintain pricing competitiveness.