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China-Russia Joint Venture Develops New Kevlar-Fiber Optics to Power Military Drones
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![Photo of Dariia Mykhailenko]( "Photo of Dariia Mykhailenko")
The Chinese-Russian group PGI Technology has developed a new type of reinforced optical fiber by combining Kevlar thread with fiber optic strands, aiming to improve durability and performance in military applications.
This was reported by OSINT analyst GrandpaRoy2 via X on August 5.
According to the analyst, the integration of Kevlar has doubled the tensile strength of the thread—from 50 newtons to 100 newtons—significantly increasing its resistance to breakage during high-speed maneuvers and looped flights of fiber-guided FPV drones.
A 5-kilometer spool of the reinforced fiber is already in production. Beyond its use in fiber FPVs, the product is reportedly well-suited for unmanned ground vehicles (UGVs) and field-deployed communication lines, offering added resilience in demanding battlefield conditions.
A 5 km spool of optical fiber reinforced with Kevlar thread produced by Chinese-Russian group PGI Technology.
— Roy🇨🇦 (@GrandpaRoy2) August 5, 2025
In addition to fiber optic FPVs, it should be well suited for UGVs and for laying field communication lines. https://t.co/NTpj17c8bZ pic.twitter.com/ZMwQRrYdHQ
Similar solutions have already been tested within Ukraine’s defense-industrial complex, when Ukraine successfully conducted its first trials of fiber-optic-guided FPV drones with an operational range exceeding 20 kilometers, according to Brave1 on April 1.
While earlier versions of such drones were limited to a range of 5–10 kilometers, the new systems demonstrated the capability to engage targets at more than double that distance.
Earlier, it was reported that Ukrainian drone developer Tenebris introduced a new high-speed interceptor drone called “Bagnet,” specifically designed to target and disable enemy UAVs, including Russia’s Shahed and Gerbera-type drones.
