Seiwa Electric Mfg. Co., Ltd.

Established in 1945 and headquartered in Joyo, Japan, Seiwa Electric Mfg. Co., Ltd. is a manufacturer specializing in a wide array of electrical and electronic solutions for the Japanese market. Its product portfolio encompasses cutting-edge information display systems, specialized industrial and infrastructure lighting equipment, electromagnetic compatibility (EMC) products, LED modules, and various cable protection devices. The company delivers advanced visual communication systems, including displays for real-time information on roadways, parking areas, and waterway conditions, alongside emergency alert systems for tunnels. It also produces industrial plant monitoring boards, comprehensive traffic control systems, and high-quality LED information screens. In the field of illumination, Seiwa manufactures robust explosion-proof lighting fixtures for hazardous environments like chemical plants and oil refineries, as well as durable air- and watertight units for diverse industrial settings. Their expertise extends to essential lighting infrastructure for tunnels, highways, and expressways, in addition to municipal street lighting and decorative landscape illumination. Furthermore, Seiwa Electric has developed innovative cable management solutions, such as the PVC-free e-Duct for wire protection. Their extensive range of EMC products includes various conductive fingers and gaskets, ferrite cores, conductive cloth tapes, shield tubes, and grounding straps and clamps. The company also offers electromagnetic wave control sheets, conductive silicone rubbers, metallic foil tapes and sheets, vibration dampening solutions, thermal conductive sheets, specialized radiation and heat-shielding paints, and magnetic field probes.