Special Cables manufacturer
Specialized In The R&D And 
Customization of Special Cables

For severe working conditions, high-end equipment, aerospace, and industrial applications. Provide stable, secure, and reliable connectivity solutions.
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High-Speed Differential Cables
Core Product AdvantagesLow
Loss Anti-Interference

Stable Impedance Zero Signal Distortion. Specialty Cable SolutionsExpert in Custom High-Speed Differential Cables,More Reliable in Harsh Environments.
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Cryogenic PEEK Cable
PI.Peek Cable
 Resistant to extreme temperatures: remains uncracked in liquid nitrogen at -269°C 
 Excellent electrical purity 
 Flame retardancy and environmental protection characteristics High wear resistance
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Featured Special Cables

The company is equipped with leading production lines and testing equipment
 in China. Adhering to the principle of innovative concepts
Cryogenic & Radiation-Resistant PEEK Cable | -140°C Ultra-Low Temperature Cable
Our Cryogenic & Radiation-Resistant PEEK Cables are specially engineered for extreme environments requiring ultra-low temperature resistance, radiation protection, and long-term operational reliability.

Manufactured with high-performance PEEK (Polyether Ether Ketone) insulation and jacket materials, these cables maintain stable electrical and mechanical performance under temperatures as low as -140°C, while also providing excellent resistance to radiation, chemicals, abrasion, and mechanical stress.
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FEP Instrumentation Cables
Engineered for precision and extreme environments, our High-Temp FEP Insulated PiMF Instrumentation Cable is the ultimate solution for DCS/PLC systems. Featuring a robust PiMF (Pairs in Metal Foil) double-shielded structure and premium FEP insulation, it delivers flawless analog and digital signal transmission with maximum EMI/RFI rejection, ideal for nuclear, aerospace, and marine applications
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Electrical Cable for Power and Signal Transmission
Electrical cable is an essential transmission component designed for electrical energy and signal transmission in various scenarios. It consists of high-conductivity conductor, high-performance insulation layer and protective sheath, ensuring safe and stable operation. Adopting high-quality copper/aluminum conductor and non-toxic flame-retardant insulation materials, it has good electrical conductivity, wear resistance and anti-interference ability. It is widely used in household appliances, industrial equipment, construction engineering and power distribution systems, providing reliable support for daily electricity use and industrial production, with standardized specifications to meet diverse matching needs.
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LVDS Cable | High-Speed Differential Signal Cable
Our LVDS Cables (Low-Voltage Differential Signaling Cables) are specially engineered for high-speed, low-noise differential signal transmission in demanding electronic and industrial applications.

Designed for excellent signal integrity, low electromagnetic interference (EMI), and high transmission reliability, LVDS cables are ideal for systems requiring stable high-speed data communication over compact and lightweight cable structures.
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Outdoor Transmission Cable | Communication & Control Cable
Our Outdoor Transmission Cable is specially designed for reliable signal transmission and control system applications in harsh outdoor environments. Engineered with tinned copper conductors and optional tinned copper shielding, this cable provides excellent electrical stability, anti-interference performance, and long-term durability under demanding environmental conditions.

Designed for operating temperatures from -65°C to +135°C, with rated voltages up to AC 250V / DC 500V, the cable is suitable for outdoor communication systems, industrial control systems, field equipment, and harsh-environment installations.
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Ultra-Thin Polyimide (PI) Insulated Cables
The nuclear fusion cable is a high-end special cable developed for the extreme environment of nuclear fusion devices such as tokamak. It adopts advanced superconducting materials and special insulation and shielding structures, capable of withstanding harsh conditions including strong radiation, ultra-high and ultra-low temperatures, and strong magnetic fields. Its core function is to stably transmit power, control signals and cooling media for fusion devices, serving as the "lifeline" of the magnet system. With excellent high-temperature aging resistance and low signal loss, it meets the strict requirements of ITER-level projects, providing reliable technical support for the stable operation of nuclear fusion equipment and the development of "artificial sun" technology.
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About Rays Optoelectronics

Nanjing Rays Optoelectronic Technology Co., Ltd. was is located in Nanjing, the ancient capital of six dynasties. 
 
It is a trading company specializing in the online marketing of special cables, established on the basis of Jiangsu Yuhang Special Cable Co., Ltd.

Founded in March 1999, Jiangsu Yuhang Special Cable Co., Ltd. is headquartered in Huai’an, Jiangsu Province. After nearly 30 years of development, the company now has more than 300 employees, with professional and technical personnel accounting for over 20%. 

Why Choose Our Cables?

The company is equipped with leading production lines and testing equipment in China. Adhering to the principle of innovative concepts, it continuously strengthens internal management and strictly organizes production in accordance with national standards.
SPECIALIZED IN PRODUCT
Deep Customization Precise Matching
We provide pure customized services from design to production for complex working conditions that cannot be solved by standard products.
Excellent Performance in Extreme Environments
Our products are designed for harsh environments and are widely used in aviation, aerospace, deep-sea engineering, and nuclear energy fields.
Comprehensive Technical Support
We are not only manufacturers, but also your technical partners. For major model projects, we provide comprehensive supporting services and technical guarantee schemes.
Extensive Industry Application Verification
Our technological strength has been validated in multiple high standard industries, including Rail Transit, 5G Communications, and Petroleum Machinery.

Tailor-Made Cable Solutions

Quality Commitment

We are deeply aware that in the fields of aviation, nuclear energy, and medical equipment, the quality of cables is directly related to life and safety. 

Quality Control Process & Team

Our quality control begins with the selection of raw materials. We rigorously screen and utilize high-quality insulation materials (such as Cross-linked PTFE, FEP, and Polyimide) to ensure optimal physical and chemical performance of the products.

Complete Solutions from Us

The company's products have been awarded titles such as "Famous Brand Product" and "Trustworthy Quality Product" at provincial
 and municipal levels for many times, and are deeply trusted by a wide range of customers.
Aerospace cables

Aerospace & Defense
Aerospace manufacturers requiring highly reliable, lightweight, and temperature resistant cables.
 

Marine-&-Offshore

Marine & Offshore
An engineering company engaged in deep-sea exploration, shipbuilding, and underwater operation equipment.

Industrial cable

Industrial & Nuclear
Nuclear power plants, petrochemical companies, and high-end precision instrument manufacturers.

Our Latest News

News
03/ 12/ 2026

The Introduction of Nuclear Fusion Cable

Nuclear fusion cable is a high-performance special cable specially developed for nuclear fusion equipment and related systems. It bears the key task of signal and power transmission in extreme fusion environments. This article briefly introduces the definition, core performance requirements, materia

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03/ 12/ 2026

The Application of AF-250 in The Tracking Industry

Article OverviewWith the rapid development of the tracking industry, high-reliability connection components are crucial. AF-250, a high-performance fluoroplastic insulated high-temperature resistant cable, has advantages of wide temperature adaptability, strong anti-interference, corrosion resistanc

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03/ 12/ 2026

What Is The PEEK Cable?

PEEK cable is a high-performance special cable with excellent comprehensive properties, widely used in harsh working environments. This article elaborates on the definition, core characteristics, material advantages and typical application scenarios of PEEK cable, helping readers quickly understand

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Custom Cable Solutions

Contact Us

Phone: +86-13951785616
Email: 
nanjingrays@raysspecialcable.com
WhatsApp: +8618362095959
Add: Room 1221, Xinke Building, No. 209 Pubin Road, Jiangbei New Area, Nanjing City, Jiangsu Province, China
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