Seoul is not just the capital of South Korea; it is the beating heart of the world's most advanced telecommunications infrastructure. As SFP+ and QSFP manufacturers and factories expand their footprint in Seoul, the city has become a strategic hub for high-speed data transmission technology. From the tech clusters in Guro Digital Complex to the innovation labs in Pangyo Techno Valley, the demand for high-performance optical transceivers like SFP+ (10G) and QSFP28 (100G) is skyrocketing.
Established in 2012, Kocent Optec Limited has emerged as a premier manufacturer of fiber optic termination products. Our expertise spans from passive components to active modules, serving the rigorous demands of telecommunication networks, enterprise infrastructures, and modern data centers throughout Seoul and the international market.
We pride ourselves on our extensive experience and production capacity. By strictly following international fiber optic industry standards and utilizing mature scientific methodologies, we ensure that 100% of our products—including SFP, QSFP, and AOC/DAC cables—undergo rigorous testing before shipment.
Our Production Excellence Includes:
Seoul is a pioneer in 5G deployment. Our SFP28 and QSFP28 modules are critical for the fronthaul and backhaul networks of major South Korean carriers, ensuring reliable 25G and 100G connectivity.
The rise of AI research centers in Gangnam requires massive bandwidth. We provide 400G and 800G transceivers that support PAM4 modulation to meet these data-heavy requirements.
For the financial districts in Yeouido, low-latency is everything. Our DAC and AOC solutions provide the fastest possible interconnects for high-frequency trading servers.
Seoul’s city-wide public Wi-Fi initiative relies on robust fiber backbones. Our GPON OLT and ONU solutions empower these public services across all 25 districts.
Kocent Optec Limited provides a consultative approach to engineering custom optical solutions. Whether you are a system integrator in Seoul or a global distributor, our OEM services allow you to leverage our technical expertise to expand your revenue.
Comprehensive Customization:

MTP MPO Production Line

PLC Splitter Production Line

SFP QSFP Production Line

FDB and FOSC Assembly




Ready to upgrade your Seoul network infrastructure?
Request a Custom Quote Now