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FiddlLink
FiddlLink
FiddlLink Optical Technology Co., Ltd. is a professional manufacturer and global supplier of high-performance optical transceivers and fiber optic communication solutions — trusted by data centers, telecoms, and enterprise networks worldwide.
FiddlLink Optical Technology Co., Ltd. is a professional manufacturer and supplier of high-performance optical transceivers and fiber optic communication solutions. Established in 2016, the company specializes in the research, development, production, and global distribution of optical networking products for data centers, telecommunications networks, enterprise infrastructure, and cloud computing applications.
Our modern manufacturing facility covers an area of 380 square meters and is equipped with advanced production and testing equipment to ensure consistent product quality and reliable performance. With over 12 years of industry experience and 8 years of export experience, FiddlLink has built a strong reputation among customers worldwide for delivering innovative, cost-effective, and dependable optical communication products.
From raw material inspection to final optical performance testing, every step of our manufacturing process is meticulously controlled by our 380 m² state-of-the-art facility and 42 dedicated quality control professionals.
Our dual-coating machine infrastructure enables simultaneous multi-layer thin-film deposition, ensuring superior optical performance across all wavelength ranges from 850nm to 1625nm.
Request Technical SpecificationsDriven by innovation, FiddlLink maintains a strong research and development team consisting of 126 experienced engineers and technical specialists. Our R&D department continuously develops new technologies and products to meet evolving market demands. In the past year alone, we successfully launched 186 new products covering various optical transceiver standards and network applications.
Our quality assurance laboratory is equipped with a comprehensive suite of precision optical measurement instruments, enabling rigorous performance verification across all product lines — from surface profile analysis to full MTF characterization.
Our primary customer base includes telecommunications operators, data center providers, system integrators, network equipment distributors, internet service providers, and OEM/ODM partners worldwide.
High-density optical transceivers optimized for hyperscale data centers requiring ultra-low latency, 400G/800G throughput, and hot-pluggable form factors including QSFP-DD and OSFP.
Long-haul and metro DWDM solutions for telecom operators, supporting coherent transmission, OTN, and ROADM architectures for reliable backbone connectivity.
Scalable optical interconnects for cloud service providers enabling elastic bandwidth provisioning, seamless east-west traffic, and energy-efficient network fabric designs.
Campus and enterprise LAN/WAN solutions featuring multi-rate transceivers compatible with leading switch and router platforms from Cisco, Juniper, Huawei, and Arista.
PON and active Ethernet solutions for ISPs deploying fiber-to-the-home (FTTH), fiber-to-the-building (FTTB), and broadband access networks serving millions of end users.
Fully customized hardware design, firmware programming, label printing, and branding support for OEM/ODM partners requiring tailored optical transceiver solutions at scale.
With a customer-focused approach, advanced manufacturing capabilities, and continuous innovation, FiddlLink is committed to becoming a trusted global partner in the optical communication industry.
With over 12 years of deep industry experience and 8 years of dedicated export operations, FiddlLink has cultivated unparalleled expertise in optical transceiver design, manufacturing, and global supply chain management. Our engineering team's accumulated knowledge spans SFP, SFP+, QSFP28, QSFP-DD, CFP, and XFP form factors across all major protocol standards including Ethernet, Fibre Channel, SONET/SDH, and OTN.
Every product undergoes incoming material inspection, production process monitoring, optical performance testing, environmental reliability testing, and final shipment verification — managed by 42 dedicated QC professionals.
We offer fully customized hardware design, label printing, packaging solutions, firmware configuration, compatibility programming, and comprehensive branding support tailored to your exact commercial and technical requirements.
Serving customers across North America, Europe, Southeast Asia, the Middle East, and South America with $18M annual export revenue and a network of 850+ strategic supply chain partners for reliable delivery.
186+ new products launched per year, driven by a 126-strong R&D team — ensuring our customers always have access to cutting-edge optical transceiver solutions that meet the latest IEEE and MSA standards.
Our extensive supply chain network enables stable production capacity, competitive pricing, and efficient delivery schedules — even during peak demand periods and global supply chain disruptions.
Quality is at the core of everything we do. FiddlLink operates a comprehensive quality management system supported by 42 professional quality control personnel, ensuring every product meets the highest international standards before reaching our customers.
Every raw material and component is verified against strict specifications before entering production
Real-time production process monitoring with SPC controls at every critical manufacturing stage
Comprehensive optical characterization including insertion loss, return loss, dispersion, and eye diagram analysis
Thermal cycling, humidity exposure, vibration, and ESD testing to ensure long-term operational reliability
100% final inspection and certification before packaging and global distribution to customers
We offer flexible OEM and ODM services, including customized hardware design, label printing, packaging solutions, firmware configuration, compatibility programming, and branding support. Our dedicated engineering team works closely with customers to develop tailored solutions that meet specific technical and commercial requirements.
Bespoke optical transceiver hardware engineered to your exact electrical, mechanical, and optical specifications with full MSA compliance.
Custom label printing, laser engraving, and full white-label packaging solutions that present your brand identity professionally at every customer touchpoint.
Custom firmware programming and EEPROM configuration ensuring seamless compatibility with Cisco, Juniper, Huawei, Dell, HPE, and other major network equipment platforms.
Tailored retail and bulk packaging designs with ESD protection, custom inserts, and branded documentation that enhance the unboxing experience for your end customers.
Advanced compatibility coding ensuring plug-and-play operation across multi-vendor network environments without requiring any additional configuration or workarounds.
Dedicated engineering team providing pre-sales technical consultation, prototype development, qualification testing, and post-deployment technical support for all OEM/ODM projects.
The company generates an annual export revenue of approximately USD 18 million and serves customers across North America, Europe, Southeast Asia, the Middle East, and South America. Our extensive supply chain network includes more than 850 strategic partners, enabling us to maintain stable production capacity and efficient delivery schedules.
Our customer-focused approach and commitment to product quality have earned us long-term partnerships with telecommunications operators, data center providers, and system integrators across the globe.
"FiddlLink's QSFP28 100G transceivers have been performing flawlessly in our hyperscale data center for over 18 months. The compatibility programming for our Cisco Nexus switches was perfect out of the box. Exceptional quality at a very competitive price point."
"We've been sourcing OEM optical transceivers from FiddlLink for three years. Their custom firmware programming service is outstanding — every unit is pre-configured and ready to deploy. The R&D team is highly responsive to our technical customization requests."
"The quality control process at FiddlLink is genuinely impressive. As a telecom operator deploying thousands of transceivers across our metro network, we need zero-defect reliability. FiddlLink's 5-stage QC protocol gives us the confidence we need for mission-critical deployments."
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