Fiber Optic Engineering Excellence Connecting You and Beyond
Since 1947 for over 70 years, Sanwa Denki Kogyo Co., Ltd., headquartered in Tokyo, Japan has been dedicated to develop and manufacture products and solution to enhance network performance and discover intelligent solutions.
Evolving with Fiber Optic Technology

The rapid progress in the broadband and mobile technologies continue to advance the optical communications industry, and how the world communicates at a staggering rate towards Next Generation Networks (FTTx and 5G). With superior engineering, product designs, quality manufacturing and reliable services, our talented team prides in providing engineering excellence that continues to propel the functionality and simplified operation with improved productivity in electrical, telecommunication, data communication and in a variety of technology applications.
A History of Innovation in Engineering and Manufacturing
Sanwa is devoted to practice fine engineering and to create and provide high quality products through excellent customer services. We are committed to be the best global provider of superior fiber optic components, and understand the specific requirements and challenges our customers face. We strive to develop a unique technology with your concerns in mind to deliver a result that leads to a mutual success.