High-Speed Optical Transceivers & Network Solutions

Do Networks Limited is a leading provider of optical components and network equipment, delivering cost-competitive, high-quality transceivers and integrated solutions for data centers, cloud computing, ISP networks, and enterprise applications worldwide.

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One-Stop Supplier

Wide range of optical transceivers, switches, cabling, passive components, and PIC cards.

Global Compatibility

Fully compatible with Cisco, Juniper, Huawei, Arista, Brocade, HP, and other OEM platforms.

Customization & Support

Custom labeling, packaging, compatibility testing, and fast delivery with responsive support.

About Do Networks Limited

Do Networks Limited is an excellent provider of optical components and network equipment in China, founded on the principle of delivering integrated, high-quality optical telecommunication solutions. With over 10 years of experience in the optical communication industry, our team brings deep expertise in marketing, R&D, and operations.

We focus on the development of high-speed optical transceivers (10G/40G/100G/400G/800G) for cloud computing, data centers, long-haul transmission, wireless access, and metro networks. Our production line includes active and passive components such as Direct Attach Cables (DAC), Active Optical Cables (AOC), MTP/MPO connectors, MUX/DEMUX, PLC splitters, and more.

As a one-stop supplier, we also offer network switches (including POE and industrial switches) and PCI cards, ensuring comprehensive solutions for enterprise, access, metro, and core applications globally.

Why Choose Do Networks?

We deliver value through innovation, reliability, and customer-centric services.

Quality & Compatibility

All products are tested and verified for compatibility with leading OEM platforms including Cisco, Juniper, Huawei, Arista, Brocade, and HP.

Competitive Edge

Time-to-market, time-to-technology, and time-to-cost efficiency. We offer low-cost, reliable designs without compromising performance.

Customization & Value-Added Services

Custom compatibility, labeling, packaging, and fast delivery with quick response times to meet your unique needs.

Our Product Portfolio

Comprehensive range of optical transceivers, cables, passive solutions, and network equipment.

800G Transceivers

High-density 800G solutions including OSFP and QSFP-DD form factors for next-gen data centers.

800G OSFP
800G QSFP-DD
800G OSFP DCO

400G Transceivers

High-performance 400G modules for data center interconnects and core networks.

400G OSFP
400G QSFP-DD
400G CFP2 DCO

100G Transceivers

Wide range of 100G modules including QSFP28, CFP2, and single-lambda solutions.

100G QSFP28
100G CFP2
100G QSFP28 DCO

Coherent DCO Modules

Advanced coherent optics from 100G to 800G for long-haul and metro applications.

400G QSFP-DD DCO
100G-200G CFP2 DCO
100G QSFP28 DCO

Cables & Adapters

DAC, AOC, SAS, and adapters for seamless connectivity.

Direct Attach Cables (DAC)
Active Optical Cables (AOC)
QSFP to SFP+ Adapters

xPON Solutions

GPON, XGPON, and XGS-PON modules for fiber access networks.

GPON ONU/SFP
XGS-PON
XGPON

Passive Components

MTP/MPO, MUX/DEMUX, PLC splitters, and other passive optical solutions.

Network Switches & PIC Cards

Enterprise and industrial switches, POE switches, and PCI network cards.

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Services & Support

At Do Networks, we go beyond hardware. We offer comprehensive support and value-added services to ensure seamless integration and long-term reliability.

Pre-shipment testing and verification for full OEM compatibility
Custom labeling, packaging, and coding to match your requirements
Fast delivery and responsive technical support
Expert consultation for network upgrades and migration planning

Frequently Asked Questions

Are Do Networks transceivers compatible with Cisco, Juniper, and Huawei?

Yes. All Do Networks transceivers are tested and verified for full compatibility with major OEM platforms including Cisco, Juniper, Huawei, Arista, Brocade, HP, and others.

Do you offer custom labeling and packaging?

Yes. We provide customized labeling, coding, and packaging services to meet your branding and logistics requirements.

What is your lead time for orders?

Standard lead time is 3-5 business days. We offer fast delivery with global shipping options.

Do you support 800G and 400G deployments?

Yes. We offer a full range of 800G (OSFP, QSFP-DD) and 400G (QSFP-DD, OSFP, CFP2) transceivers, including coherent DCO modules for long-haul applications.

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