FSG Networks Limited

World's Largest MT Ferrule Supplier
MPO Expert for Data Center Cabling & 40G/100G/400G Network Solutions


FSG is a MPO expert who are devoted to creating value for customers by providing high-performance & economical products.

Headquarted in Fukushima Japan, FSG stands for Fukushima Souhatsu Giken, which was founded in Japan 2013. Production plant Dongguan FSG was established same year. With great ability in technologies, FSG Dongguan factory started manufacturing MT ferrules since 2014, monthly capacity reached 10million pcs in 2023, and became world’s largest supplier for MT ferrules.
FSG focuses on design & manufacturing of MT ferrule, MPO connector, MPO cables, and is gloable leading supplier in MPO field.

Millions pcs monthly capacity
Years core team engineer experience

80% of engineering staff
is from Japan

Export to 123 countries

8.000 square meter
factory area

Our Presence

Fukushima Souhatsu Giken

Fukushima Japan, R&D Center

Dongguan FSG Co., Ltd

Dongguan China, Production Plant

FSG Networks Limited

Hongkong, Sales & Marketing

Fukushima Southatsu Giken VN

Vietnam, Production Plant

Philosophy & Belief

FSG aims to deliver & create value by supplying the highest quality of MPO products & network solutions to customers around the globe. By utilizing state-of-the-art equipment and a team of highly trained engineers, we offer world-class premium products to meet the demand of optical connectivity and network cabling, especially high density fiber transmission. 
Our quest for excellence is founded upon innovative technology, professional team and superior service, and commit ourself to make optical network fast and reliable.

FSG Factory Photos

You’re warmly welcomed to visit us, we look forward to meeting with you.

MT Ferrule Production Line
MPO Connector & Adapter Production Line
MPO Cable Assemblies Production Line
Scroll to Top

Request a Quote

Please fill out the form with your inquiry, we will reply you within 24 hours