MARUWA CO., LTD. engages in the production and sale of ceramics and electronic parts. It operates through the following business divisions: Ceramics, Electronic Components, Quartz Glass and LED(Light-Emitting Diode). The Ceramics division engages in the designing and patterning of circuit on substrates. The Electronic Components division integrates the ceramic material technology and manufacturing technology with the accumulation or a part installation technology to produce RF (Radio Frequency) components or devices such as EMI (Electro-Magnetic Interference) filters, magnetic sheets, inductors, and EMC (Electromagnetic Compatibility) components (surge, noise suppression parts). The Quartz Glass division produces various types of quartz glass products, including quartz boats and tubes, which are necessary for semiconductor industry, multi-walled piping burner for optical fiber, and machined products with punched fine pores. The LED division produces LED lighting fixtures including street lighting, lighting for interior and high ceiling. The company was founded on April 5, 1973 and is headquartered in Owariasahi, Japan.