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CONWELL integrates advanced R&D and cutting-edge technology, supported by our CNAS-certified laboratory, to develop high-performance products.

Aerial Cable Accessories

                               
Aerial Cable Accessories Manufacturer & Supplier from China – CONWELL CONWELL is a professional aerial cable accessories manufacturer and supplier from China, specializing in providing complete connection and protection solutions for overhead power distribution systems. With decades of industry experience and advanced production facilities, we design and manufacture a full range of suspension clamps, dead-end clamps, PG clamps, pre-insulated connectors, and ABC cable fittings that meet global electrical installation standards. As a trusted partner for power utilities, distributors, and engineering contractors, CONWELL delivers products that ensure safe, durable, and efficient overhead line installation. All accessories are produced under strict ISO 9001 quality control and comply with IEC, ASTM, and GB international standards. Whether for urban grid upgrades, rural electrification, or telecommunication networks, our aerial cable accessories are engineered for reliability, corrosion resistance, and long service life — helping our partners build stronger and more sustainable power infrastructure. CONWELL — Reliable Aerial Cable Accessories for Every Overhead Power Line Project.
Aerial Cable Accessories

Fiber Optic Accessories

                               
Fiber Optic Accessories Manufacturer & Supplier from China – Conwell CONWELL is a trusted fiber optic accessories manufacturer and supplier from China, offering a comprehensive range of high-quality hardware and fittings for overhead and aerial fiber optic cable installations. Our fiber optic accessories include suspension clamps, dead-end clamps, ADSS fittings, mounting brackets, and other specialized components — all designed to support, secure, and protect fiber optic cables in outdoor, aerial, and utility-pole environments. Manufactured using premium aluminum alloys, galvanized steel, stainless steel, and UV-resistant polymer materials, CONWELL’s fiber optic fittings deliver excellent mechanical strength, corrosion resistance, and long-term durability under harsh environmental conditions. Every product is produced under ISO 9001-certified quality systems and meets international mechanical and safety standards, ensuring reliability and peace of mind for telecommunications engineers, network installers, and utilities worldwide. Whether for new fiber-network deployment, maintenance, or upgrade projects — in urban areas, rural zones, or long-span aerial routes — CONWELL fiber optic accessories provide secure, stable, and easy-to-install solutions that optimize performance and extend cable lifespan. CONWELL — Reliable Fiber Optic Accessories for Secure Overhead & Aerial Network Installations.
Fiber Optic Accessories

Cable Lugs

                               
Cable Lugs & Connectors Manufacturer & Supplier – CONWELL CONWELL is a trusted cable lugs and connectors manufacturer and supplier from China, offering a wide range of copper lugs, aluminum lugs, bimetal lugs, and mechanical connectors for power distribution, battery systems, and industrial wiring projects. With high-conductivity materials, precise crimping geometry, and anti-corrosion finishes, our products are designed to deliver reliable electrical connections, low resistance, and long service life. As a factory-direct supplier with ISO 9001 certified production and compliance with relevant international standards such as IEC, CONWELL serves electrical distributors, contractors, and industrial customers worldwide with dependable cable lugs and connectors for safe and efficient power termination. Request Quote
Cable Lugs

Live Working Series

                               
Live Working Tools Manufacturer & Supplier – CONWELL CONWELL provides high-performance live working tools designed for safe, energized maintenance in low and medium-voltage distribution systems. Our equipment enables essential repairs and installations without power interruptions, ensuring operational continuity and maximum worker safety. Engineered from high-strength alloys and reinforced polymers for superior durability and dielectric protection, our full range—including hot line clamps, protective covers, and line hoses—is manufactured to strict ISO 9001. Request Quote
Live Working Series

Insulator/Arrester

                               
Insulator & Surge Arrester Manufacturer & Supplier from China – CONWELL CONWELL is a professional insulator and surge arrester manufacturer and supplier from China, providing reliable insulation support and overvoltage protection solutions for transmission and distribution power systems, substations, and utility infrastructures worldwide. Our range of insulators and surge arresters are designed to ensure safe electrical insulation, stable mechanical performance, and enhanced protection against lightning and surge events across a wide range of voltage levels. Manufactured from premium insulating materials including high-strength porcelain, glass, and composite polymers, CONWELL insulators deliver excellent dielectric performance, mechanical stability, and environmental resistance under harsh outdoor conditions. Precision engineered for strength and durability, our insulators support conductors, maintain electrical clearance, and help prevent leakage currents on live lines. CONWELL surge arresters are produced using advanced metal-oxide varistor (MOV) technology, enabling fast and effective diversion of abnormal overvoltage to ground during lightning strikes or switching surges. With high energy absorption capacity and stable clamping characteristics, our surge arresters protect critical power system components, reduce insulation stress, and improve overall grid reliability. Produced under ISO 9001 certified quality management systems and compliant with international standards for insulation and surge protection, CONWELL’s insulators and surge arresters are widely trusted by power utilities, EPC contractors, electrical engineering firms, and infrastructure developers for robust performance and long-term operational safety. CONWELL — Insulators and Surge Arresters for Enhanced Power System Safety and Reliability.
Insulator/Arrester

Power Line Solutions

Reliable fittings designed for safe, efficient, and durable low voltage connections.
CONWELL delivers proven solutions for diverse power line applications worldwide.

Aerial Cable Accessories arrow

Aerial Cable Accessories

CONWELL delivers robust LV-ABC solutions that prevent power outages and ensure network safety. Our complete range of accessories—including suspension clamps, tension clamps, and insulation-piercing connectors—supports four-core, insulated, and uninsulated messenger wire systems. Designed for durability and easy installation, our products meet diverse grid standards worldwide.
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Fiber Optic Accessories arrow

Fiber Optic Accessories

CONWELL provides a comprehensive range of fiber optic accessories—including termination boxes, splice closures, waterproof sealing kits, and cable clamps—designed to ensure stability and reliability in complex environments. Our products are widely applied in data centers, 5G networks, FTTH, smart cities, and industrial communication systems, delivering long-term durability, ease of installation, and superior environmental resistance.
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Cable Lugs arrow

Cable Lugs

CONWELL’s mechanical cable lugs are manufactured from high-strength copper and aluminum alloys and feature shear-bolt technology, eliminating the need for crimping tools. They ensure tight, stable electrical contact, making them ideal for low-voltage switchgear, emergency repairs, renewable energy systems, and industrial electrical installations.
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Live Working Tools arrow

Live Working Tools

CONWELL’s line hoses and insulating covers are manufactured from premium rubber and polymer materials, providing excellent electrical insulation and environmental resistance. Specifically designed for power line safety, they can be installed on energized conductors to protect workers, equipment, and the public from accidental contact.
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About Us

Zhejiang Keyi Electric Group Co., Ltd.

Founded in 2004, is located in Chengdong Industry zone Yueqing, Zhejiang province China. It is a hi-tech enterprise specialized in designing and producing installation piercing connector, anchor clamp, suspension clamp, optical cable and other connecting cable accessories according to EN standards.
2004
Founded In
100 +
Patented Technological Achievements
21 +
Chinese Provincial Level Certificates
06
Manufacturing Bases

Your Reliable Power Partner

Technology and Research

Technology and Research

R&D Team,
CNAS Certified Laboratory
Product Quality

Product Quality

Laboratory Equipment,
Quality Inspection System
Service

Service

Focus on high performance products. Optimize cost structure. Strengthen after-sales service. Market research and feedback

Customized product demand inquiry form

News & Exhibition

Keep up with CONWELL's journey. This section features company milestones, industry insights, and our event calendar—your opportunity to see our products in action and discuss your needs with our team.

Pin Type vs Suspension Type Insulator: Which Fits a Distribution or Transmission Line Specification?

Pin Type vs Suspension Type Insulator: Which Fits a Distribution or Transmission Line Specification?

The difference between pin type and suspension type insulator is not simply a voltage cutoff. A pin insulator is rigidly...
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ADSS Suspension Clamp Selection: Cable Diameter, Span, Load, and Complete Hardware Set

ADSS Suspension Clamp Selection: Cable Diameter, Span, Load, and Complete Hardware Set

An ADSS suspension clamp must support the cable without crushing the jacket, creating excessive bend, or transferring an unverified load...
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How to Specify a Dead End Clamp for ABC Cable: Conductor Layout, Cable Range, and Breaking Load

How to Specify a Dead End Clamp for ABC Cable: Conductor Layout, Cable Range, and Breaking Load

An RFQ that asks for “dead end clamps for 4 × 35 mm² ABC” still leaves several decisions open. The...
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Shear Bolt Lug for MV Cable Terminations: Conductor Range, Palm Hole, and Accessory Compatibility

Shear Bolt Lug for MV Cable Terminations: Conductor Range, Palm Hole, and Accessory Compatibility

A shear bolt lug for MV cable must fit more than the conductor cross-section. It also sits inside a termination...
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How to Specify a Hot Line Clamp for Distribution Tap Connections: Conductor Range, Material, and Operating Method

How to Specify a Hot Line Clamp for Distribution Tap Connections: Conductor Range, Material, and Operating Method

A hot line clamp must match two conductors, an approved operating method, and a defined service duty. Selecting only by...
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Rubber Insulating Line Hose Selection for Live-Line Work: Voltage Class, Diameter, Length, and Cover Interfaces

Rubber Insulating Line Hose Selection for Live-Line Work: Voltage Class, Diameter, Length, and Cover Interfaces

A line hose can have the correct voltage class and still leave an unsafe cover-up arrangement. Common purchasing failures include...
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