Three-Link Industrial Ethernet Solutions
Safety, Stability, Reliability – Trusted by 250+ Organizations Worldwide
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Safety, Stability, Reliability – Trusted by 250+ Organizations Worldwide
Three Link is a high-tech enterprise specializing in industrial Ethernet communication products, headquartered in Dongguan, China — known as the "world factory." We integrate independent R&D, production, sales, and service to deliver reliable industrial communication transmission solutions.
Our core team consists of elite engineers from renowned industrial switch manufacturers, with over a decade of experience in rugged networking solutions. As an OEM/ODM service provider, we offer customized, high-quality products with comprehensive after-sales support.
Learn MoreFrom unmanaged to L3 core switches, PoE to M12 ruggedized models — we offer a complete range of industrial networking solutions.
High-performance core layer switch with 48x10G RJ45 and 8x100G optical ports for data center and backbone networks.
L3 Core
28x PoE+ ports with 2 SFP slots for high-power industrial applications like surveillance and IoT.
PoE Switch
High-availability industrial switch with zero-failover time for mission-critical automation systems.
HSR
IP67-rated, M12 connectors, designed for extreme environments in transportation and energy sectors.
M12Web-managed L2 switch with VLAN, QoS, and SNMP support for scalable industrial networks.
ManagedCompact, plug-and-play switch for simple industrial connectivity with no configuration needed.
UnmanagedSecure PoE switch with port isolation, ACL, and surge protection for surveillance systems.
SecurityProtocol converter and edge gateway for connecting legacy systems to modern networks.
GatewayWe combine innovation, reliability, and global support to deliver unmatched value.
As a professional ODM/OEM industrial switch manufacturer, we have an advanced R&D team and modern production facilities. We offer direct sales from the source with independent R&D and production capabilities.
Our 15,000㎡ production base in Dongguan ensures fast turnaround and high-volume manufacturing. We maintain strict quality control to meet international standards.
All our switches are designed for harsh environments — wide temperature range, anti-EMI, and rugged enclosures ensure 24/7 operation.
We offer 24-hour online technical guidance and comprehensive after-sales service to ensure your network stays up and running.
Real-world applications of Three-Link industrial switches across industries.
Deployed L3 core switches for high-speed data aggregation and redundancy in a critical energy facility.
Integrated managed PoE switches to connect PLCs, sensors, and HMIs in a smart manufacturing line.
Used ruggedized M12 switches to ensure reliable video transmission in a high-vibration environment.
Looking for a reliable industrial networking partner? Contact us for product details, OEM/ODM support, or technical consultation.
15099946518
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