Who We Are

Established in 1947, SANWA Technologies Co., Ltd. (formerly Sanwa Denki Kogyo Co., Ltd.) is a renowned leading manufacturer of communication equipment servicing the global optical communications market. With over 75 years of innovation and engineering excellence, we continue our rich history of developing and manufacturing quality connectivity solutions and components to enhance the performance of optical networks of today and into the future.

SANWA Technologies Group is headquartered in Tokyo, Japan, and has two manufacturing locations in Japan and Thailand, as well as the global sales operation of SANWA Technologies, Inc., with multiple offices in the USA, Europe, APAC, and MEA.

A Team of Senior Professionals

SANWA’s innovative engineering and high-precision manufacturing capabilities continue to be its core values today as the company expands its operations globally. Our core competencies in providing engineering excellence connecting you and beyond are what sets us apart.

Our Services

Our products and solutions serve a broad range of international customers within the Telecom, Enterprise, Datacom, Premise wiring, CATV, OEM, Utility, Municipality, Security, and Aerospace/ Military markets.


High Quality and High Reliability

  • A pioneer in optoelectronics design and development in Japan
  • ISO 9001 Quality Management System and ISO14001 Environmental Management System certified
  • Experienced and cultivated higher engineering and manufacturing skills
  • Telcordia-based reliability verification testing for all products


Engineering Excellence

  • Develop customized products to meet customers’ requirements through integrated design, development, manufacturing, and final testing at our factories


Strategically Located Offices and Diverse Personnel

  • Global partners in seven offices around the world
  • Experienced sales professionals with over a quarter century of industry-relevant experience
  • Support for more than ten languages, offering hands-on support throughout the customer’s product experience

Our Vision

Key to the competitive edge of our products has been the company’s adherence to "monozukuri," the philosophy of Japanese craftsmanship that encompasses everything it makes.

For over 75 years, we have sought to establish relationships that are beyond transactional - diligently collaborating on both custom and standard products with expeditious local support. Over time, we have transformed the traditional Japanese manufacturing philosophy exemplified in our everyday pursuit of manufacturing thoughtfulness to focus equally on all aspects of product delivery; quality, time, and service.
Our accumulated experience and evolved manufacturing techniques, in combination with our company values have fortified our partner's support as well as our name, upheld to this day.

A History of Innovation in Engineering and Manufacturing


Sanwa Denki Kogyo Founded

Since its founding in 1947, the Sanwa Denki Kogyo group of companies, headquartered in Tokyo, Japan, has been developing, manufacturing, and selling the highest quality and most reliable electrical and optical interconnect components and solutions.


Rebuild Communication Networks in JAPAN after World War II

Sanwa began providing components for the communication network to The Ministry of Post and Telecommunications in 1951.
In 1952, Sanwa developed electrical connectors and started supplying them to the Japanese Government’s Telecom Bureau (Predecessor of NTT Corp.). After Sanwa’s initial success, it continued to expand and improve communication technology, eventually extending its factories and services to NEC Corp.


Establishment of SANWA's Manufacturing and Engineering Base

Sanwa established the Hachioji Factory in Japan.


Strategic Global Collaboration with Western Electric

Western Electric of the United States and Sanwa began collaborating to develop new connectivity solutions.


Sanwa's Manufacturing Growth

In 1980, Sanwa opened the Kofu Factory in Yamanashi, Japan, to expand its manufacturing capabilities.


Sanwa Meets Growing Demand

Sanwa’s Hachioji factory in Japan expanded its facilities to accommodate the growing demand of communication industries around the world.


Global Offices and Factories

Sanwa commenced Sanwa Electronics USA Corporation as the Global Sales Office in Dallas, Texas, USA, in 2000.
In 2003, Sanwa opened the Asia Sales Office in Taiwan
In 2013, Sanwa opened the Thailand Factory
In 2018, Sanwa expanded the Thailand Factory


Acquisition of Fiberon Technologies, Inc.

Sanwa finalized the acquisition of Fiberon Technologies, Inc., another leading provider of fiber optic network solutions. Fiberon, founded in 1998, is a leading supplier of interconnect, advanced passive, and active connectivity products for the optical fiber communications market and has continuously delivered quality products with excellent service and speed as a trusted supply partner to its customers.


Together, We Are SANWA Technologies!

Sanwa Denki Kogyo merged the operations of its subsidiaries, Sanwa Electronics USA Corp. and Fiberon Technologies, Inc., and began operating under the new name of SANWA Technologies, Inc. as the company’s Global Sales organization. The unity of Fiberon’s advanced product lines and strategic geographical presence and Sanwa’s unparalleled engineering, manufacturing, and quality management will significantly expand the available product range and the service reach for current customers and offer a powerful supplier partnership for the optical communications industry worldwide.

In 2023, Sanwa Denki Kogyo Co., Ltd. changed its name to SANWA Technologies Co., Ltd. in order to rebrand us and continue, expand, and diversify its business for the next 80th and 100th anniversary. Based on the engineering and manufacturing expertise that we have built up over the past 75 years, SANWA will continue to contribute to the advancement of our increasingly interconnected society with high quality, high speed advanced telecommunications and data center product lines with “technology” at the core.

Today, companies, data centers, and telecom/data-com carriers worldwide rely on SANWA’s connectivity solutions around the clock.

Manufacturing Facilities & Capabilities

At SANWA Technologies, we take great pride in our world-class manufacturing facilities that empower us to deliver high-quality products to our valued customers.
With two state-of-the-art factories strategically located in Tokyo, Japan, and Ayutthaya, Thailand, we strive for excellence through cutting-edge technology, precision engineering, and a dedicated focus on quality. Each facility serves a unique purpose, allowing us to meet the diverse needs of our global clientele.

Japan Hachioji Factory:
Leading Innovation and Research


Our Hachioji factory, nestled in the western part of Tokyo, is the epitome of innovation and research. Equipped with the latest advancements in manufacturing technology, this facility drives our relentless pursuit of excellence. Our team of seasoned experts leads research and product development, ensuring that SANWA Technologies remains at the forefront of industry advancements. The factory also houses a robust QA, QC, and General Qualification Lab, where every product undergoes stringent testing to meet the highest quality standards. With a focus on low-volume and BCP production, as well as automated MT production and active device production, our Hachioji factory is a hub of progress and ingenuity.


Thailand Ayutthaya Factory:
Powering High-Volume Production


Nestled in Ayutthaya, Thailand, our second manufacturing facility is a powerhouse dedicated to high-volume production. With a sharp focus on efficiency and precision, this factory houses cutting-edge equipment for high-volume injection molding and precision assembly and testing. Quality is paramount, and our dedicated QA and QC Lab ensures that each product meets our stringent quality guidelines. We also prioritize tooling maintenance and repair, guaranteeing optimal performance and precision throughout the manufacturing process. Our Thailand factory boasts a semi-clean room for critical processes that demand a controlled environment, enabling us to deliver products with unparalleled purity and accuracy.