Seiren designs lightness and feel into car-seat materials
About 50%QUOLE weight reduction: company comparison with leather
2–3% of prior useQUOLE manufacturing solvents: company-product comparison
¥115.258bnAutomotive-materials sales, year ended March 2026
What emerges
See the company through the numbers →Seiren designs feel, color, weight and application-specific functions into car-seat materials. Its QUOLE comparisons and group production chain from yarn to cutting and sewing show what it offers automakers. Automotive-materials sales reached ¥115.258bn and operating profit ¥16.199bn in the year ended March 2026. Recovering orders, new vehicle models, cost reductions and changes in consolidation scope also shaped those results.