Ketsumi is a manufacturer of automotive electrical and electronic components, built on a foundation of precise Japanese engineering and modern production technologies. The design of every part begins with digital modeling and performance simulation, ensuring that even the smallest details comply with international standards. These designs are brought to life on fully automated production lines, equipped with advanced electronic assembly technologies, precision winding, insulation injection, and digital process control. From there, multi stage quality assurance systems take over: from electrical circuit testing and durability check sunder thermal and vibration conditions, to real-world performance simulations. Only the products that successfully, pass all these stages earn the, Ketsumi mark of authenticity and quality.