Bulgaria has rapidly emerged as the "Silicon Valley of the Balkans," boasting a robust IT sector that accounts for over 10% of the nation's GDP. With Sofia hosting major data centers from Equinix and Interxion, the demand for high-speed optical transceivers like SFP+ and QSFP28 has skyrocketed. As Bulgarian telecommunication giants like Vivacom and A1 transition to 5G and fiber-to-the-home (FTTH) architectures, the need for reliable, high-performance interconnects is paramount.
Our expertise in the SFP+/QSFP factory landscape allows us to support Bulgaria's digital transformation. From the bustling tech parks of Sofia to industrial hubs in Burgas, our products provide the backbone for low-latency, high-bandwidth communications. We understand the local regulatory environment and the specific technical requirements for compatibility with regional infrastructure.
Established in 2012 in Hong Kong as a hi-tech communication enterprise, Kocent Optec Limited is one of China's leading fiber optic termination product manufacturers and solution providers. We are dedicated to developing and manufacturing fiber optic communication products ranging from passive to active categories for telecommunication networks, enterprise networks, and data centers.
By leveraging our extensive experience and excellent production capacity we gained over the years, we magnify the outcome for our valuable customers, which ultimately expands their core competencies and helps them outperform competitors in the Bulgarian market and beyond. We emphasize customer collaboration and define ourselves as your valuable partner in fiber optic connection solutions.
We follow strictly fiber optic industry standards using mature scientific methods to ensure 100% of products are tested before shipment to Bulgaria.
From optical design to PCB layout and firmware design, we provide customized SFP+/QSFP solutions for specific Bulgarian network requirements.
Fully compatible with brands like Cisco, Huawei, ZTE, Juniper, and HP, ensuring seamless integration into Sofia's data centers.
Our manufacturing facility is equipped with cutting-edge production lines for MTP/MPO, PLC Splitters, and SFP/QSFP Transceivers. We follow a strict ISO-certified workflow to maintain the highest quality standards.




KCO Fiber provides a consultative approach to engineering custom cables and transceivers. Our OEM service allows Bulgarian businesses to leverage their strengths while we handle the high-precision manufacturing. Whether you need specific labels, unique cable lengths for Sofia's historic buildings, or high-density MTP solutions for new-build data centers, we deliver.
Under an OEM agreement, Kocent Optec will team up with our Bulgarian customers to develop best-in-class fiber optical products, reducing your overhead while increasing your market competitiveness.
As we look toward 2025 and beyond, Bulgaria is positioning itself as a central hub for transit traffic between Europe and the Middle East. This strategic location necessitates a massive upgrade in backbone capacity. The transition from 100G QSFP28 to 400G and 800G OSFP/QSFP-DD modules is no longer a luxury but a requirement for Bulgarian Tier-1 providers.
Furthermore, the rise of Edge Computing in cities like Varna and Burgas is driving demand for industrial-grade SFP+ modules that can withstand varying environmental conditions while maintaining link integrity. Kocent Optec is committed to providing these advanced technologies to our Bulgarian partners, ensuring that the local digital infrastructure remains world-class. Our products are designed to reduce power consumption—a key factor for the "Green Bulgaria" initiative aimed at sustainable tech development.