SEHCO.net – Professional Electrical Hardware Manufacturer Since 2005

About SEHCO

SEHCO® is a professional ISO 9001:2015 accredited manufacturer of hardware for overhead transmission & distribution lines and telecommunication lines since 2005. We operate through two companies: Nanjing Shengji Electrical Hardware Co., Limited and Anhui Shengji Electrical Hardware Co., Ltd.

Equipped with advanced manufacturing equipment, we produce galvanized steel wire stands, helical-formed line products, fiber optical cable hardware (FTTX), aerial bundled cable (ABC) fittings, pole line hardware, and more. Our products meet international standards and are trusted by numerous companies in the T&D and telecommunication sectors.

ISO 9001:2015 Certified

Quality management systems compliant with international standards.

10+ Patents

Innovative designs and engineering excellence.

Global OEM/ODM Services

Custom manufacturing for clients worldwide.

Registered Trademarks

SEHCO® and GUY CABLE GRIP® are our protected brands.

Our Product Range

High-quality electrical hardware designed for durability, safety, and performance in transmission, distribution, and telecommunication networks.

Helical-Formed Line Products

Used for vibration damping and conductor protection. Made from high-tensile galvanized steel, ensuring long-term reliability in harsh environments.

• Galvanized steel construction
• Anti-vibration design
• Suitable for overhead lines

Aerial Bundled Cable (ABC) Fittings

Complete range of connectors, clamps, and insulators for ABC systems. Designed for easy installation and high mechanical strength.

• UV-resistant materials
• Corrosion-proof coating
• Ideal for urban distribution

Fiber Optical Cable Hardware (FTTX)

Precision-engineered components for fiber optic network deployment, including splice closures, terminal boxes, and mounting kits.

• IP68 waterproof rating
• Modular design
• Supports high-speed data

Pole Line Hardware

Comprehensive solutions for pole mounting, including brackets, crossarms, insulator pins, and guy wire accessories.

• Hot-dip galvanized
• High load-bearing capacity
• Compatible with wood & concrete poles

Galvanized Steel Wire Stand

Structural support components used in transmission towers and substation installations. Resistant to corrosion and mechanical stress.

• ASTM A153 compliant
• High tensile strength
• Long service life

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Guy Cable Grips

Our registered trademark product, GUY CABLE GRIP®, ensures secure anchoring of guy wires on transmission and communication poles.

• Registered trademark
• Anti-slip design
• Load tested for safety

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Suspension Clamps

Designed to support conductors on straight-line towers. Ensures even load distribution and reduces wear.

• Aluminum alloy body
• Rubber lining for protection
• Easy installation

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Tension Dead-Ends

Used at terminal points to anchor conductors under full tension. Ideal for line ends and sharp angle turns.

• High-strength alloy steel
• Corrosion-resistant coating
• Secure grip mechanism

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Vibration Dampers

Prevents aeolian vibration damage in overhead conductors. Extends lifespan of transmission lines.

• Spiral design
• Self-damping effect
• Wide frequency range

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Spacer Dampers

Maintains conductor spacing in bundled configurations while damping vibrations.

• For 2-4 conductor bundles
• Lightweight composite
• Low maintenance

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Hardware Sets (Complete Kits)

Pre-assembled hardware kits for quick deployment in transmission and distribution projects.

• Customizable configurations
• OEM packaging available
• Saves installation time

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Telecom Line Hardware

Specialized fittings for telecom and broadband network infrastructure, including messenger wire grips and drop clamps.

• Compatible with CATV & FTTH
• Weather-resistant
• Secure fastening

Why Choose SEHCO?

We combine innovation, quality, and global reach to deliver reliable electrical hardware solutions.

Quality Certified

ISO 9001:2015 and ISO 14001:2015 certified with rigorous quality control at every stage.

Fast Delivery

Efficient production and logistics ensure on-time delivery to global markets.

OEM/ODM Support

Custom design and manufacturing services tailored to your technical requirements.

Global Reach

Trusted by clients in Asia, Europe, America, and beyond. Extensive sales network.

Frequently Asked Questions

Find answers to common questions about our products and services.

What is SEHCO's main product line?

SEHCO manufactures hardware for overhead transmission & distribution lines and telecommunication lines, including ABC fittings, helical-formed products, FTTX hardware, pole line hardware, and galvanized steel components.

Are OEM/ODM services available?

Yes, we offer OEM and ODM services. Our R&D team can customize designs and packaging according to client specifications.

Is SEHCO ISO certified?

Yes, we are ISO 9001:2015 and ISO 14001:2015 certified, ensuring high standards in quality management and environmental responsibility.

Where is your factory located?

Our factory is located at Danyang Industrial Park, Danyang, Bowang, Maanshan, Anhui, 243111, China.

Do you have registered trademarks?

Yes, SEHCO® and GUY CABLE GRIP® are our registered trademarks, protecting our brand and product identity.

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Reliable Electrical Hardware Solutions Since 2005