SJ Company specializes in semiconductor and display materials, glass substrates, and process services. We provide micro-LED solutions including deposition, patterning, and precision processing, supported by strong technical expertise, fast response, and continuous innovation.

Glass Wafers (2–12 inch), Quartz Wafers, ITO Glass, and Patterned Glass. SJ Company provides metal deposition (Mo, Al, Cr, ITO), patterning, and precision processing services for display and micro-LED applications. Custom cutting and processing are available to meet customer requirements.