Optical Transceivers & Fiber Networking Solutions
Trusted by global data centers and telecom providers. 20+ years of innovation in optical communication technology.
20+ Years
Manufacturer Experience
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Trusted by global data centers and telecom providers. 20+ years of innovation in optical communication technology.
GLSUN is a professional manufacturer with over 20 years of experience in optical communication solutions. We specialize in high-performance fiber optic transceivers, optical switches, WSS modules, and passive components for data centers, 5G networks, and telecom infrastructure.
As a vertically integrated supplier, we design and manufacture key components including DFB laser chips and TO-CAN packages, ensuring quality control from the source. Our products meet ISO and RoHS standards and are widely used across Asia, Europe, and North America.
Comprehensive optical networking solutions for modern data and communication infrastructure.
High-speed 100G, 400G, and 800G transceivers with low power consumption and high reliability for data center spine-leaf architecture.
Compact and efficient optical modules designed for 5G wireless front-haul transmission with low latency and high stability.
Redundant optical line protection systems with automatic failover to ensure network reliability and uptime.
Real-time OTDR and power detection solutions for proactive fiber network maintenance and fault location.
Precision optical components for sensing applications in industrial, medical, and environmental monitoring.
Complete optical transmission solutions including amplifiers, muxponders, dispersion compensation, and OADM.
High-performance optical components for modern networking needs.
Wavelength Selective Switch for flexible grid optical networks.
MEMS-based multicast optical switch for signal distribution.
Miniature variable optical attenuator for space-constrained applications.
Coherent optical transceiver for long-haul and data center interconnect.
Low insertion loss switch with fast switching speed.
3-port device for bidirectional signal transmission on single fiber.
ISO 9001 and RoHS compliant manufacturing processes ensure product reliability and environmental safety.
Every product undergoes rigorous testing in our in-house lab for performance, temperature, and longevity.
Our engineering team provides direct technical assistance for integration and troubleshooting.
Fast and reliable shipping to over 50 countries with tracking and insurance.
Comprehensive warranty and hassle-free return policy for customer confidence.
Trusted by telecom operators, data centers, and system integrators worldwide.
Standard products are usually in stock and ship within 1-3 business days. Custom or large-volume orders may require additional production time.
Yes, we provide comprehensive OEM and ODM services including custom labeling, packaging, and product design.
Yes, our transceivers are designed to be fully compatible with Cisco, Juniper, Huawei, and other major networking equipment.
We offer a standard 3-year warranty on most products. Defective units will be repaired or replaced at no cost.
You can contact our technical team via the official website for assistance with product selection, integration, or troubleshooting.
For inquiries, technical support, or partnership opportunities, visit our official website.
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