High-precision active and passive optical network modules certified for international telecom standards.
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 high-density fiber optic communication products, ranging from passive to active optical components, engineered to meet the demands of global telecommunication networks, enterprise infrastructures, and next-generation data centers.
By leveraging our extensive experience and advanced production capacity gained over the years, we magnify operational outcomes for our valuable customers. This strategic cooperation ultimately expands their core competencies and helps them outperform competitors in high-demand bidding environments. We place deep emphasis on collaborative customer engineering, positioning ourselves not just as a vendor, but as your strategic partner in fiber optic connection solutions. We believe our technical differentiators are your distinct advantages.
With more than 13 years of rigorous experience in manufacturing telecommunication fiber optic products, we strictly adhere to domestic and international optical standards. By implementing mature scientific production workflows and thorough testing protocols, we guarantee 100% product inspection before shipment. Our commitment is simple: delivering robust, high-bandwidth cabling on time to protect your capital infrastructure investments.
A deep dive into the engineering, fiber glass options, and mechanical construction of next-generation drop cables.
Fiber drop cables serve as the final link in the FTTH (Fiber to the Home) and FTTx architectures, routing high-speed optical signals from the distribution box directly to the subscriber premises. Designed for dynamic outdoor and indoor environments, drop cables must balance physical flexibility, tensile strength, and long-term environmental resistance. The performance of a drop cable is highly dependent on its construction, strength members, and the type of optical fiber core integrated.
Modern telecommunications utilize several designs for the last-mile hookup, engineered according to the physical route of installation:
The choice of strength member impacts structural integrity, electrical conductivity, and cost:
| Cable Type | Typical Fiber Type | Strength Member Options | Max Tension (N) | Typical Application |
|---|---|---|---|---|
| GJXH (Flat Drop) | G.657.A1 / G.657.A2 | FRP / Steel Wire | 80 - 200 | Indoor Conduits, Wall Plenums |
| GJYXFCH (Figure-8) | G.652.D / G.657.A1 | FRP + Steel Messenger | 600 - 1000 | Self-Supporting Aerial Spans |
| GYXTW (Central Tube) | G.652.D SM / MM | Double Steel Wires | 1500+ | Outdoor Duct / Aerial Backbone |
| PDLC Field Patch Cord | Bend-Insensitive SM | Aramid Yarn / Armored | 500 - 800 | FTTA LTE/5G Base Stations |
Inside Kocent Optec's state-of-the-art production lines, featuring raw-material verification, advanced polishing, and OTDR validation.
Kocent Optec operates specialized, clean-room production spaces dedicated to maintaining tight optical tolerances. Our primary product lines are structured to supply large-scale global rollouts:
Equipped with high-precision polishing jigs and automated 3D interferometers to ensure low insertion loss performance across multi-fiber terminations.
Micro-optical alignment arrays ensuring split ratios (1xN, 2xN) maintain optimal signal uniformity over wide operating temperatures.
Dynamic automated testing benches verifying MSA compatibility, eye diagrams, and bit-error rates (BER) for high-speed active transceivers.
Heavy-duty injection molding and environmental testing chambers ensuring IP65, IP68 ingress protection ratings for all terminal boxes.
Why leading global ISPs and telecom companies consolidate their fiber drop cable sourcing in China.
China hosts the world's most integrated fiber optic ecosystem. By producing preforms, optical fiber glass, FRP strength members, and LSZH compounds in close geographic proximity, manufacturers like Kocent Optec can offer highly competitive price points without compromising on material purity.
Our facility runs high-speed mechanical extrusion lines with real-time laser concentricity monitors. This ensures that the glass fiber is perfectly centered within the jacket, minimizing installation failures caused by offset fibers during connector termination.
European and American deployments require strict adherence to CPR (Construction Products Regulation) fire rating classes (e.g., Cca, Dca) and Telcordia GR-326 requirements. Our manufacturing processes utilize specialized low-smoke zero-halogen materials to pass rigorous flame test standards.
The Evolution toward Bend-Insensitive Fiber (ITU-T G.657): Traditionally, standard G.652.D fiber was used for transport spans. However, the last-mile drop demands extreme bending around tight corners within residential walls. Implementing bend-insensitive fiber (G.657.A1 and A2) is now the industry standard, ensuring that light transmission remains uncompromised at bend radii as low as 7.5mm.
Leverage our mature R&D infrastructure to design and deploy specialized cabling configurations tailored for your network.
KCO Fiber is a professional manufacturer of optical communication products integrating R&D, production, sales, and service. Based on strong R&D and professional manufacturing capabilities, KCO Fiber responds quickly to customers, provides cost-effective OEM services, and supports personalized product design according to customer specifications.
We welcome all customers to develop original equipment manufacturing (OEM) partnerships or other long-term technical relationships with us. We are committed to providing second-to-none contract manufacturing services. Under an OEM agreement, KCO Fiber teams up with our customers to develop best-in-class fiber optic products that expand revenue while keeping material costs low.
Our OEM/ODM services are subject to specific MOQ requirements depending on the product type. Please reach out to our dedicated sales team to discuss detailed technical requirements and MOQ thresholds.
KCO Fiber provides high-quality SFP, SFP+, QSFP, AOC, and DAC cables fully compatible with major switch brands including Cisco, Huawei, ZTE, H3C, Juniper, HP, TP-Link, D-Link, Dell, Netgear, and Ruijie. We offer customized optical designs, PCB layouts, firmware flashing, and custom labeling.
We take a consultative engineering approach to custom cables. Our factory provides customization solutions for Tactical CPRI Patch Cords & MTP MPO Fiber Optic Patch Cords across all fiber types (OS2, OM3, OM4), connector types (LC, SC, FC, ST, MPO), custom lengths, jacket colors, and custom print layouts.
Using specialized CAD design drawings, KCO Fiber provides ODM customization services for all configurations of fiber optic terminal boxes, distribution boxes, ODF (optical distribution frames), patch panels, and splice closure boxes tailored to fit exact environmental deployment layouts.
Every stage of manufacturing—from molding to final assembly—is handled in-house to guarantee quality consistency.




Outdoor drop cables are subjected to heavy thermal fluctuations, wind-induced stresses, and UV degradation. To withstand these challenges, our cables are jacketed with specialized compounds containing carbon black for UV stability, paired with high-performance water-blocking gel or aramid yarn to prevent moisture propagation. From the central exchange down to the FTTH terminal box, Kocent Optec provides a seamless, tested, and reliable physical layer for network service providers.
Seamless integration with regional construction codes and direct support channels.
For European public and private infrastructure, our cables conform strictly to CPR classifications. We supply Declaration of Performance (DoP) documentation verifying that our LSZH jackets comply with Euroclass regulations, minimizing toxic gas release in indoor fire situations.
Our drop cables designated for North American markets conform to NEC riser (OFNR) or plenum (OFNP) ratings, allowing safe deployment through vertical shafts and ventilation spaces in residential and office buildings.
We provide localized engineering support through regional distribution partners. Whether you require on-site splicing guidelines, OTDR troubleshooting advice, or tailored custom cable accessories, our support channels remain open 24/7.
Essential answers to technical and procurement questions for telecommunications engineering leads.
Explore KCO's broader interconnect portfolio, featuring direct attach copper cables, tactical patches, and active optical transceivers.