Founded in 1998 and headquartered in Tokyo, Masuma is a global auto parts manufacturer integrating R&D, production, and supply chain services. Our Tokyo team leads product design and technology development, while our ISO-certified factories in China ensure stable, high-quality mass production. Masuma offers 20,000+ SKUs across 90+ product categories, including engine systems, chassis, steering & suspension, brake systems, filters, AC systems, dust boots, fasteners, electrical components, lighting, lubricants, and maintenance tools. Our parts cover over 90% of global passenger vehicle models. With a brand philosophy of “Everlasting • Daily Innovation,” Masuma is committed to delivering higher quality and better technology to customers worldwide. We aim to create a safer, more comfortable, and more eco-friendly automotive experience for drivers around the world.