Manufactures precision components for specialized batteries (cases, lids, electrode/separator processing, busbars, bolts, battery unit boxes and connectors) for aerospace, automotive and small-volume clients. Offers design/prototyping-to-mass-production, high-mix low-volume and fast-turn capabilities using laser welding, pressing, machining, water‑jetting, 40 µm insulation coating and JIS Q 9100 traceable quality control.