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Premium Porcelain & Composite Electrical Insulators

High-performance insulators engineered for reliability, durability, and safety in global power transmission and distribution systems.

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Trusted Manufacturer Since 1990

Dalian Hivolt Power System Co., Ltd. is a reputable insulator manufacturer established in 1990. We specialize in the design and production of porcelain insulators, composite insulators, and related metal fittings for high-voltage applications.

Our product range includes suspension insulators, station post insulators, transformer bushings, hollow core insulators, and more — all built to meet international standards such as ANSI, IEC, and DIN.

30+

Years Experience

60+

Countries Served

Factory Workshop 1 Factory Workshop 2 Factory Workshop 3 Factory Workshop 4

Factory Tour

Visit our state-of-the-art manufacturing facility in Dalian, China. Equipped with advanced production lines and automated quality inspection systems, our workshops ensure precision and consistency across every batch.

  • Workshop 1: Porcelain Molding & Firing
  • Workshop 2: Composite Core Lamination
  • Workshop 3: Silicone Rubber Sheds
  • Workshop 5: High-Voltage Testing Lab
  • Workshop 7: Packaging & Logistics

Quality Control

Every insulator undergoes rigorous testing to meet ANSI, IEC, and DIN standards. Our QC process includes visual inspection, electrical withstand tests, mechanical load verification, and thermal shock resistance.

  • 100% Electrical Withstand Test
  • Batch Mechanical Load Testing
  • Porosity & Density Analysis
  • UV & Pollution Resistance Testing
  • Long-Term Aging Simulation

Our Product Range

From porcelain suspension insulators to high-voltage composite long rod insulators, we offer a comprehensive portfolio designed for reliability and performance in demanding environments.

ANSI 52-1 Porcelain Suspension Insulator

ANSI 52-1 Porcelain Suspension Insulator

Anti-fog design, Grey/Brown, Porcelain C120

  • • Standard: ANSI C29.1
  • • Voltage: Up to 110kV
  • • OEM/ODM: Available
Composite Long Rod Insulator

Customized Composite Polymer Insulator

High Temp Resistance, Silicone Rubber Shed

  • • Core: ECR FRP Reinforced Fiberglass
  • • Shed Material: Silicone Rubber
  • • Application: High Temp Environments
Line Post Insulator

69KV Line Post Insulator

ANSI C29.7, Metal Base, Tie Top Neck

  • • Material: Porcelain C-130
  • • Color: Various Options
  • • Lightweight & Self-Cleaning
Station Post Insulator

550kV Station Post Insulator

IEC60168 / IEC60273 Standard

  • • Material: Porcelain C-130
  • • High Cantilever Strength
  • • For Substation Applications
Transformer Bushing Insulator

52KV Transformer Bushing Insulator

DIN42534, 5000A, Copper Coated

  • • Waterproof Design
  • • High Current Capacity
  • • Porcelain C-120 Material
Hollow Core Insulator

800KV Hollow Core Insulator

OEM Accepted, Multi-Color Options

  • • High Voltage Rating
  • • Aluminum Flange Option
  • • For SF6 Breakers & Bushings
Pin Type Insulator

ANSI 56-2 Pin Insulator 33kV

Semi-Conductive Glaze, Porcelain

  • • ANSI Standard Compliance
  • • For Distribution Lines
  • • Ball Groove Top Design
Dropout Fuse Cutout

36kV Dropout Fuse Cutout

High Strength Porcelain, Grey

  • • Normal Rain Cover
  • • Multiple Types Available
  • • ANSI & IEC Compliant
Toughened Glass Insulator

100kN Toughened Glass Insulator

For 110kV Transmission Lines

  • • Ball & Socket Coupling
  • • High Mechanical Strength
  • • Long Service Life
View All 150+ Products

Why Choose Dalian Hivolt?

1

Global Standards

All products comply with ANSI, IEC, DIN, and other international standards.

2

OEM/ODM Support

Custom designs, branding, and technical adaptations available.

3

Rigorous Testing

Every batch undergoes electrical, mechanical, and environmental testing.

4

Fast Delivery

Efficient logistics network ensures on-time global delivery.

150+

Product Models

60+

Countries Served

30+

Years in Market

10M+

Units Shipped

Frequently Asked Questions

What standards do your insulators meet?

Our insulators comply with ANSI, IEC, DIN, and other international standards depending on the product line. Detailed certifications are available upon request.

Can you provide custom designs?

Yes, we offer OEM and ODM services. Our engineering team can adapt designs to meet specific voltage, mechanical, or environmental requirements.

What is your production capacity?

We have a monthly production capacity of over 500,000 units across all product categories, supported by automated manufacturing lines.

How do you ensure quality?

Each product undergoes 100% electrical testing, batch mechanical testing, and environmental simulation. Our QC team follows ISO procedures.

What markets do you serve?

We export to over 60 countries including the USA, Germany, India, Saudi Arabia, Brazil, and Indonesia.

Get in Touch

For quotes, technical support, or custom solutions, visit our official website to connect with our team.

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