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.

1947
Sanwa Denki Kogyo Founded in 1947
Established in 1947, Sanwa Denki Kogyo Co., Ltd., headquartered in Tokyo, Japan manufactured quality electric appliance and communication equipment parts. With over 72 years of innovation, Sanwa continues its rich history of developing and manufacturing quality connectivity solutions and components to enhance the performance in optical networks of today and into the future.
1947
1951
Rebuild Communication Networks
Sanwa’s manufacturing and engineering strengths were utilized early-on in the development of infrastructure for communication networks in Japan during the rebuilding process after World War II by providing components for the Ministry of Post and Telecommunications in 1951. After Sanwa’s initial success, the company continued to expand and improve communication technology, eventually extending their factories and services to NEC (Nippon Electric Company), a joint venture of Japanese and Western capital established in 1899.
1951
1969
Strategic Global Collaboration
In 1969, Western Electric of the United States and Sanwa began collaborating to develop new connectivity solutions that have evolved into the backbone of communication and information sharing networks that are still being used today.
1969
1980
Sanwa's Manufacturing Growth
In 1980 Sanwa opened its Kofu Factory to expand their manufacturing capabilities. Japan quickly became a leader in manufacturing and technological development on a global scale, seeing economic strength and growth unlike anything the modern age has seen before. The strides made in developing communications hardware components were only encouraged by the parallel growth of demand for data transfer technology in the 1980’s.
1980
1996
Sanwa Meets Growing Demand
In 1996, Sanwa's Hachioji factory expanded its facilities to accommodate the growing demand of communication industries around the world.
1996
2000
Global Offices and Plants
In 2000, Sanwa commenced the USA Sales Office in Dallas, Texas, USA
In 2003, Asia Sales Office in Taiwan
In 2013, opened the Thailand factory
In 2018, expanded the Thailand manufacturing plants
2000
Today
Sanwa Today
Sanwa’s innovative engineering and high-precision manufacturing capabilities continue to be its core values today as the company expands its operations globally. Sanwa’s core competencies in providing engineering excellence, connecting you and beyond, is what sets us apart. With communication networks evolving to facilitate groundbreaking technologies such as AI (artificial intelligence), IoT (internet of things), 5G and FTTx involving big data, Sanwa is committed to provide and support the rapid advancement of global information networks.
Today
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