Dorelink
Dorelink
Dorelink Optical Communications Co., Ltd. was established in 2016 and specializes in the research, development, manufacturing, and global supply of high-performance optical transceiver products. With a strong focus on optical communication technologies, Dorelink provides reliable fiber optic solutions for data centers, telecommunications networks, enterprise connectivity, and industrial applications.
The company operates a modern manufacturing facility with a total building area of 18,500㎡, equipped with advanced production lines, automated testing equipment, and professional optical module assembly facilities. Dorelink has achieved an annual export revenue of approximately USD 18 million, supported by years of international market experience and a stable global customer network.
Registration Date & Foundation of Excellence
Advanced Manufacturing & R&D Facility
Annual Export Revenue Worldwide
Deep Industry Technical Expertise
Explore our premium range of SFP28 cages, high-speed Ethernet LAN transformers, and multi-mode/single-mode optical transceiver modules engineered for maximum signal integrity.
TE Compatible 2347721-8 SFP28 Cage 240P Stacked 2x6 Ports Press Fit ZSFP+ Cage With Light Pipe
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Single Mode Bidirectional 10G BiDi SFP+ 1270nm/1330nm 10km Simplex LC SMF Optical Transceiver Module
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1-2198346-9 Through Hole Right Angle Press-Fit EMI Shielded Housing 2x8 SFP+ Receptacle Cage
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SFP013-L Pulse Compatible 40P Stacked 2x1 Ports Press Fit SFP Cage With Integrated Connector
View ProductAs global data consumption surges driven by artificial intelligence workloads, cloud computing, and hyperscale data center expansion, the demand for high-bandwidth multimode fiber (MMF) cables and parallel optics has reached unprecedented levels. Unlike single-mode fiber optimized for long-haul transmission, multimode fiber—particularly OM3, OM4, and the emerging OM5 wideband standards—serves as the foundational nervous system for short-reach inter-rack and intra-datacenter connectivity up to 100m–300m at 100G, 200G, and 400G speeds.
OM3 & OM4 Standards: Utilizing 850nm vertical-cavity surface-emitting lasers (VCSELs), OM3 and OM4 support 10G to 100G Ethernet links with modal bandwidths of 2000 MHz·km and 4700 MHz·km respectively. They remain the cost-effective backbone for modern enterprise data rooms.
OM5 Wideband MMF: Designed for Short Wavelength Division Multiplexing (SWDM), OM5 operates across a wavelength range from 850nm to 953nm, enabling multiple channels to transmit simultaneously over a single duplex fiber pair, drastically reducing fiber count.
Vertical Integration: Chinese manufacturing ecosystems offer unmatched vertical integration, from preform fabrication to precision jacket extrusion and rigorous end-face optical geometry testing.
Scalable Efficiency: Backed by over 850 long-term supply chain partners and robust automated assembly plants (such as Dorelink's 18,500㎡ hub), output scaling meets urgent global hyperscale deployment schedules without sacrificing micron-level tolerances.
Navigating international telecommunication standards requires uncompromising adherence to regulatory frameworks, environmental directives, and local infrastructure requirements. Dorelink's optical solutions are deployed across North America, Europe, Southeast Asia, the Middle East, South America, and Australia.
Optimized for spine-leaf architecture switches, high-density MPO/MTP patch cords, and QSFP28/QSFP-DD transceivers running 100G/400G Ethernet protocols with ultra-low insertion loss.
Providing robust Bidi SFP modules and temperature-hardened optical links capable of withstanding extreme outdoor cabinet conditions and rigorous carrier-grade uptime demands.
Delivering EMI-shielded SFP cages, robust RJ45 magnetic connectors, and customized cabling solutions compliant with international safety and environmental benchmarks (RoHS, CE, FCC).
Quality is engineered into every optical module through rigorous multi-stage testing protocols executed by a specialized team of 45 quality control inspectors and 120 R&D engineers.
Inspection Stages: Incoming Material Inspection (IQC), Process Quality Control (IPQC), Final Quality Control (FQC), Reliability Testing, and Aging Testing.
Testing Methods: Optical power testing, wavelength verification, thermal cycling tests, signal integrity analysis, switch compatibility verification, and automated optical end-face inspection.
Innovation Output: 85 newly released innovative optical transceiver models developed in the past year alone.
OEM/ODM Services: Customized transceiver firmware configuration, multi-vendor coding (Cisco, Huawei, Juniper, HP, etc.), personalized labeling, specialized packaging design, and application-specific hardware development.
Discover our specialized range of 100G QSFP28 modules, dual USB RJ45 jacks, SMT RJ45 connectors, and discrete magnetic network transformers.
Dual USB RJ 45 Jack RJ-45 Connector With LED JWO-0009NL JFM24U1B-21U6-4x JFM24U1F-21U6-4x JFM24U14-21U6-4x
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10/100 BASE-T Discrete Magnetic Network Transformer HST-4093SCR / HST-4094SCR / HST-4095SCR
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1840419-1 Vertical Top Entry Straight 10/100 Base-t Ethernet Magnetic Female RJ45 Connector With Leds
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2227316-1 TE Compatible Through Hole Right Angle EMI Shielded Housing Press-Fit SFP Cage
View ProductExpert answers regarding optical module compatibility, manufacturing capabilities, and global logistics.
OM3 and OM4 are designed primarily for 850nm VCSEL transmission, with OM4 offering higher modal bandwidth (4700 MHz·km vs 2000 MHz·km for OM3) to support longer distances at 10G, 40, and 100G. OM5 is engineered as Wideband Multimode Fiber (WB-MMF), optimized across a wider wavelength range (850nm to 953nm) to enable Short Wavelength Division Multiplexing (SWDM) for multi-channel transmission over a single duplex fiber pair.
Yes. Our R&D engineering team programs optical transceivers (SFP, SFP+, SFP28, QSFP+, QSFP28, QSFP-DD) to ensure seamless compatibility with major switch brands such as Cisco, Huawei, Juniper, HP, Dell, Arista, and MikroTik, verified rigorously prior to shipment.
Every product undergoes a 5-step quality framework including Incoming Material Inspection (IQC), Process Quality Control (IPQC), Final Quality Control (FQC), rigorous Reliability Testing, and Extended Thermal Aging Testing. Testing parameters include optical output power, center wavelength, extinction ratio, eye diagram signal integrity, and live switch traffic verification.
Absolutely. With 120 professional R&D engineers, we provide complete custom transceiver solutions, firmware modifications, custom laser-etched labeling, branded packaging design, and application-specific hardware development tailored to global distributors and system integrators.
