OPGW

Your Leading OPGW Cable Supplier

Guangdong Shengtang Optical Cable Communication Equipment Co., Ltd. is a national high-tech enterprise specializing in the research, development, production, and sales of optical fiber cables and communication solutions. Our outdoor fiber optic products are comprehensive and widely used, including the GYXTW series, GYFXTY series, GYTA series, GYTS series, GYDTA series, GYDTS series, etc. Its product portfolio covers a wide range of applications across telecommunications, power, transportation, broadcasting, and industrial networks.

why choose us

Strong Manufacturing Capability

With a 20,000 m² production base and annual sales of around 10 million core kilometers, Shengtang ensures stable supply capacity for both large-scale projects and long-term partnerships.

Reliable Quality Assurance

Driven by advanced technology, the company adopts international production and testing equipment to maintain strict quality control and consistent product performance.

Global Market Experience

Products are widely used across China and exported to over a dozen countries, including the United States, Japan, South Korea, Southeast Asia, Europe, and the Middle East.

Flexible Customization Service

Shengtang provides small-batch customization with flexible and responsive service, helping clients meet specific project and application requirements.

Specifications of OPGW Cable

Brand Name	Guangdong Shengtang	Model Number	OPGW
Type	Fiber Optic Cable	Place of Origin	Guangdong, China
Number of Conductors	≥ 10	Struture	Unitube,Armored,loose tube
Installation	ALL Self supporting Aerial	Fiber core	12 core 24 core 48core 64 core
Testing standard	IEC	Brand Name	OEM
Product name	Optic Cable	Outer sheath	PE/AT
Port	GUANGZHOU

Advantages of OPGW Cable

Cost-Effectiveness: By integrating two functions into one cable, OPGW significantly reduces material and installation costs compared to installing a separate ground wire and an underground or aerial fiber cable.

Extreme Reliability: Installed at the highest point on transmission towers, OPGW is safe from accidental damage from excavation, vandalism, and other ground-level risks.

Immunity to Interference: As a fiber optic medium, its data transmission is completely immune to the powerful electromagnetic interference (EMI) generated by the high-voltage power lines it runs alongside.

Long-Term Durability: OPGW is designed to have a service life that matches or exceeds that of the power conductors, making it a sustainable, long-term investment.

High Bandwidth: It provides the vast data capacity needed for Smart Grid operations, substation automation, protective relaying, and leasing dark fiber to third-party telecom operators.

Application Scenario of OPGW Cable

High and very high voltage transmission lines
The OPGW cable is generally installed at the top of the lines of High and very high voltage transmission. Its metal part offers excellent protection against lightning, while internal optical fibers are used for data communication. This combination makes it possible to transmit both electricity and data on the transmission lines.

Transmission lines requiring integration protection against lightning and communication
The metal envelope of the OPGW cable has excellent land protection properties, This makes it an ideal choice for areas where strengthened protection against lightning is necessary (like areas frequently struck by lightning). At the same time, Its internal optical fibers provide a rapid and reliable communication link for data transmission and monitoring.

Long distance transmission lines
Thanks to its robust structure, The OPGW cable is suitable for long distance transmission lines. In these cases, OPGW optical fiber cable Can not only support the mechanical load of the transmission lines, but also offer a stable communication function.

Transmission lines under difficult environmental conditions
OPGW cable has excellent corrosion resistance, which makes it suitable for areas with high pollution, with salt or coastal fog, where environmental conditions are difficult. Its design with metallic armor allows it to resist the corrosion of these environments on materials, guaranteeing long -term stable operation.

Electrical communication systems requiring high reliability
The OPGW cable, Installed at the top of the electric pylons and far from the ground, is rarely subject to damage caused by humans or nature, which improves the reliability of its communication system. It is therefore suitable for electrical communication systems where the stability of communication is crucial, such as distribution control systems and remote monitoring systems.

Electric line modernization and upgrade projects
During modernization or upgrading of power lines, The OPGW cable can replace the existing guard wire (Lightning protection driver), thus offering improved protection against lightning and a new fiber optic communication function. This approach can reduce modernization costs and improve the overall functions of the line.

Key Differences Between OPGW and ADSS

Feature	OPGW Cable	ADSS Cable
Construction	Includes metal strands for strength	Fully dielectric, contains no metal component
Electromagnetic Interference (EMI)	Conductive, sensitive to EMI, requires proper grounding	Resistant to EMI, safe to install ear high voltage lines
Purpose	Dual-purpose: carries data and functions as a grounding/lighting protection wire	Dedicated to fibre-optic data transmission
Mechanical Strength	Strong due to metal reinforcement, heavier in weight	Lightweight and self-supporting
Installation Position	Positioned at the top of transmission towers as the grounding wire	Mounted near power lines on supporting structures
Installation Difficulty	More complex, it requires careful grounding and structural planning	Relatively simple, minimal support structure needed
Durability & Environmental Resistance	Metal parts require corrosion protection, but overall robust	Resistant to UV, extreme temperatures and corrosion
Common Uses	High-voltage transmission, lightning protection, smart-grid communication	Data communication along power lines, railways, and highways
Safety	Conductive, requires strict safety measures during installation and maintenance	Non-conductive, lower risk of electric hazards
Cost	Higher cost due to materials and dual functionality	Lower materials and installation costs
Maintenance & Lifespan	Needs periodic inspection for corrosion and upkeep	Long-lasting with minimal maintenance
Future Developments	Smart-grid integration and hybrid cables like OPPC, combining optical and electrical conductors	Lighter, more durable materials

Customization Options

Fiber Core Count: Customizable

Fiber Type: Customizable

Sheath Material: Customizable

Identification: Customizable

MOQ: Customizable

Packaging: Customizable

Port of dispatch: GUANGZHOU, SHENZHEN

Proper Storage of OPGW Cable

Category	Requirement	Purpose
Storage Environment	Store optical fiber cable drums indoors before use	Protects cables from moisture, dust, and UV exposure
Drum Position	Place the cable drum horizontally (sideways)	Prevents internal stress and maintains cable performance
Placement Warning	Do not place the drum on its ends (upright position)	Avoids cable deformation and potential signal loss

Ordering Process

STEP 01

Inquiry & Consulting

STEP 02

Technical Design & Solution Confirmation

STEP 03

Quotation & Proposal

STEP 04

Sample Production & Approval

STEP 05

Quality Testing & Inspection

STEP 06

Mass Production

STEP 07

Packing & Quality Control

STEP 08

Shipment & Delivery

Certificates & Cooperation Brand

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Payment Terms

● T.T with 30% downpayment, 70%before shipment.
● Paypal or West Union also accept.

Our Packaging & Shipping Services

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Our Service Advantages

24hours one-to-one online services ensure efficient support.

Considerate customer reception from hotel booking to factory visiting.

Excellent care from order confirmation to product shipment.

FAQ

Q: Why is OPGW preferred in high-voltage grid projects?

A: It combines grounding and communication in one cable, reducing infrastructure cost and improving network reliability in HV environments.

Q: What voltage levels are suitable for OPGW installation?

A: OPGW is commonly deployed on 110kV to 500kV transmission lines depending on grid design requirements.

Q: How does OPGW protect power lines from lightning damage?

A: The metallic outer structure acts as a shield wire, safely conducting lightning current to ground.

Q: What fiber count options are available in OPGW cables?

A: Typical designs range from 12 to 144 fibers depending on communication capacity requirements.

Q: Can OPGW be installed on existing transmission lines?

A: Yes but installation often requires partial power shutdown and is more commonly used in new or upgraded grid projects.

Q: What materials are used in OPGW construction?

A: It usually consists of aluminum-clad steel wires combined with stainless steel fiber tubes for mechanical and electrical performance.

Q: How does OPGW ensure stable communication under EMI conditions?

A: The optical fibers are completely immune to electromagnetic interference generated by high-voltage power lines.

Q: What is the lifespan of an OPGW cable in outdoor environments?

A: A properly engineered OPGW system can operate reliably for 25–30 years depending on environmental conditions.

We're well-known as one of the leading opgw manufacturers and suppliers in China, also support customized service. Please feel free to buy bulk opgw made in China here from our factory. For price consultation, contact us.

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