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Types Of Insulators

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Supplier sourcing insights & recommendations

Grand View Research
Fortune Business Insights
30 来源

The electrical insulator market is projected to reach $23.32 billion by 2026, driven by a significant shift toward grid-hardening and climate resilience Mordorintelligence. While porcelain remains the dominant material with a 45.5% market share, composite/polymer insulators are the fastest-growing segment (7.7% CAGR) due to their lighter weight and hydrophobic properties MordorintelligencePoinsa.

Key technological advancements include nanocomposites for enhanced mechanical strength and self-cleaning coatings that reduce maintenance in high-pollution areas Poinsa. Major demand is stemming from ultra-high-voltage (UHV) and HVDC projects in the Asia-Pacific region, which now holds a 54.7% global share Mordorintelligence.

The following files provide detailed lists of global suppliers specializing in various insulator types, including their certifications, production capabilities, and specific product offerings.

You can continue exploring these market opportunities with the following steps:

Leading Global Manufacturers Of Glass And Polymer Insulators

Verified suppliers · 3 lists

Qinhuangdao Wolf Cable Co., Ltd.

Qinhuangdao Wolf Cable Co., Ltd.

VerifiedManufacturer· 2s yrs · Hebei, CN🇨🇳
Matches
2/2

100% quality control across all production lines

Inspection of all products

After-sales service includes technical advice

5.0/5.0(1)
Rating
<15%
Reorder
100.0%
On-time
≤1h
Reply
Main categories
Power Cables
Glass Insulator for H/V& L/V Power Transmission Line IEC 60383, IEC 60433 ANSI C29.2B Standard Anti Pollution
Glass Insulator High Voltage Suspension &Tension Glass for Power Line EC 60383, IEC 60433 ANSI C29.2B
Glass Insulator for H/V& L/V Power Transmission Line IEC 60383, IEC 60433 ANSI C29.2B Standard Tower Glass Insulator
$1.55
MOQ : 1 piece
$1.55
MOQ : 1 piece
$1.55
MOQ : 1 piece
Contact
Gaoya Power Technology (guangdong) Co., Ltd.

Gaoya Power Technology (guangdong) Co., Ltd.

· 3s yrs · Guangdong, CN🇨🇳
Matches
2/2

Competitive supplier in Insulation Materials & Elements

5.0/5.0(1)
Rating
<15%
Reorder
100.0%
On-time
≤2h
Reply
Main categories
Lightning Protection & Earthing
Aisladores Electrico 11kV 33kV Disc Insulator High Voltage Glass Porcelain Composite Polymer Suspension Insulators
U160B 160kN Glass Aisladores Insulators Anti Pollution High Voltage Electrical Suspension Insulator
Toughened Glass Suspension Insulator High Voltage Aisladores Cap Pin U70BS Glass Insulators with IEC Standard
$4.90-12.50
MOQ : 200 pieces
$8.70
MOQ : 1000 pieces
$4.90
MOQ : 1 piece
Contact
Jiangxi Zhongci Electric Co., Ltd.

Jiangxi Zhongci Electric Co., Ltd.

· 2s yrs · Jiangxi, CN🇨🇳
Matches
2/2

Experienced in serving buyers from United States of America

Trusted supplier in Insulation Materials & Elements

≤8h
Reply
Main categories
Electrical Ceramics
Glass Insulator U70B/146 Glass Insulator of Standard Type
Glass Insulator U160BL
Customized 10KV Porcelain Insulators Manufacture High Voltage Pin Type Electrical Wire Insulators Insulation Materials Elements
$2.80-4.50
MOQ : 100 pieces
$9
MOQ : 300 pieces
$5.50-5.60
MOQ : 10 pieces
Contact
Jiangxi Hongxing Porcelain Industry Co., Ltd.

Jiangxi Hongxing Porcelain Industry Co., Ltd.

· 3s yrs · Jiangxi, CN🇨🇳
Matches
2/2

Well-suited supplier in Insulation Materials & Elements

<15%
Reorder
0.0%
On-time
≤1h
Reply
US $520+
Transactions
Main categories
Other Electronic ComponentsElectrical Ceramics
Jiangxi pingxiang hongxing insulators for sale High Voltage toughened glass insulators u120b glass Insulator
Hongxing Forged Steel Pin High Voltage Oem Glass Insulator Toughened Glass Insulators U70B/127
Jiangxi Hongxing High Voltage Dedicated Glass Insulators with Excellent Insulation Performance Toughened Glass Insulator U70B
$12.99
MOQ : 1000 pieces
$9.99
MOQ : 1000 pieces
$4.96
MOQ : 1000 pieces
Contact
Nanjing Rainbow Electric Co., Ltd.

Nanjing Rainbow Electric Co., Ltd.

· 6s yrs · Jiangsu, CN🇨🇳
Matches
2/2

Top 20% for inquiries in Insulation Materials & Elements

Trusted supplier in Insulation Materials & Elements

≤3h
Reply
Main categories
Other Electronic Components
Good Quality High Voltage 70KN Cap and Pin Type Glass Insulator
High Voltage Double Shed Type 70KN PSD-70E Glass Insulator
$3.50-15
MOQ : 100 pieces
$3.50-15
MOQ : 100 pieces
Contact
Xiya Electric Equipment Co., Ltd.

Xiya Electric Equipment Co., Ltd.

· 8s yrs · Zhejing, CN🇨🇳
Matches
2/2

Well-suited supplier in Insulation Materials & Elements

5.0/5.0(1)
Rating
<15%
Reorder
100.0%
On-time
≤7h
Reply
Main categories
Switch DisconnectorsLightning Protection & Earthing
Best Price 20KN U40b High Voltage Toughened disc Glassd Insulators
Aging resistance 132kv hdpe disc insulator
High Voltage Line Post porcelain Insulator /ceramic electric insulatation
$2.99-4.99
MOQ : 1 piece
$5-6
MOQ : 1000 pieces
$3-10
MOQ : 2000 pieces
Contact
Fuzhou Senduo Electric Appliance Co., Ltd.

Fuzhou Senduo Electric Appliance Co., Ltd.

· 13s yrs · Fujian, CN🇨🇳
Matches
2/2

Recommended supplier for Insulation Materials & Elements

<15%
Reorder
100.0%
On-time
≤11h
Reply
US $23,000+
Transactions
Main categories
Power Distribution EquipmentElectrical Ceramics
120kn standard glass disc insulator
70kN Power Distribution Line Glass Insulator
ANSI 53-2 spool type porcelain insulators
$6-8
MOQ : 200 pieces
$5-12
MOQ : 200 pieces
$0.21-0.34
MOQ : 1800 pieces
Contact
Bonle (Fujian) Electric Manufacturing Co., Ltd.

Bonle (Fujian) Electric Manufacturing Co., Ltd.

· 12s yrs · Fujian, CN🇨🇳
Matches
2/2

Well‑matched supplier in Insulation Materials & Elements

≤9h
Reply
Main categories
Lightning Protection & EarthingOther Electrical Equipment
ASNI Toughened glass insulator,high voltage insulator,glass insulators
24KV Pin Type HDPE Insulator
Disc suspension insulator electrical porcelain insulators for high voltage application
$8-8.50
MOQ : 1000 pieces
$5-15
MOQ : 1000 pieces
$4.55-4.90
MOQ : 1000 pieces
Contact
VINA ELECTRIC CORPORATION

VINA ELECTRIC CORPORATION

· 2s yrs · Ha Noi, VN🇻🇳
Matches
2/2

Well-suited supplier in Insulation Materials & Elements

≤7h
Reply
Main categories
Fuses
High Voltage Composite Suspended Type Insulators 24KV 120KN Long rod Polymer Suspension Insulator At Wholesale Price
24kV 70kN Polymer Long Rod Insulator with Ball and Socket Fittings for IEC Power Systems High Quality Wholesale
$100-200
MOQ : 5 pieces
$100-200
MOQ : 5 pieces
Contact
Qingdao Powtech Electronics Co., Ltd.

Qingdao Powtech Electronics Co., Ltd.

· 12s yrs · Shandong, CN🇨🇳
Matches
2/2

Reliable supplier in Power Accessories

<15%
Reorder
100.0%
On-time
≤6h
Reply
US $26,000+
Transactions
Main categories
Fiber Optic EquipmentConnector Accessories
Electric 33kv Composite Polymer Suspension Insulator Strain Insulator
OPTELEC FXB Grey Nylon Electric Transmission Line 36kv Suspension Insulators
$5-10
MOQ : 1000 pieces
$5-10
MOQ : 1000 pieces
Contact
Foshan Zhiwei Adhesive Products Co., Ltd.

Foshan Zhiwei Adhesive Products Co., Ltd.

· 5s yrs · Guangdong, CN🇨🇳
Matches
2/2

Trusted supplier in Fiberglass Products

4.8/5.0(2)
Rating
<15%
Reorder
100.0%
On-time
≤7h
Reply
Main categories
Adhesive Paper & FilmCeramic Fiber ProductOther Fiberglass Products
Soft Fiber Glass Mat the New Environment-friendly Thermal Insulator Material Is Suitable for All Kinds of Electrical Appliances
$0.25-0.29
MOQ : 100 pieces
Contact
Hebei Jianzhi Casting Group Porcelain Insulator Caps Co., Ltd.

Hebei Jianzhi Casting Group Porcelain Insulator Caps Co., Ltd.

· 13s yrs · Hebei, CN🇨🇳
Matches
2/2

Well-suited supplier in Insulation Materials & Elements

<15%
Reorder
100.0%
On-time
≤4h
Reply
US $7,900+
Transactions
Main categories
Pipe FittingsOther Fasteners
High Voltage customized FOG type glass insulator for power line
Ductile Iron Suspension Insulator Cap for Tempered Glass
Hot dipped Tempered glass insulator caps
$1.05-3.25
MOQ : 500 pieces
$1-2.95
MOQ : 1000 pieces
$1
MOQ : 10000 pieces
Contact
Zhejiang Usune Electric Co., Ltd.

Zhejiang Usune Electric Co., Ltd.

VerifiedManufacturer· 5s yrs · Zhejiang, CN🇨🇳
Matches
2/2

15 years of experience in exporting

Provides e-commerce design services

100% quality control across all production lines

5.0/5.0(1)
Rating
<15%
Reorder
100.0%
On-time
≤1h
Reply
Main categories
MV&HV SwitchgearVacuum Circuit BreakersSwitch Disconnectors
Switchgear Panel Insulator Epoxy Resin Capacitive Post Insulator Indoor Busbar Insulator Zj Cg5 12kv 24kv 35kv Voltage Sensor
$4.80-5
MOQ : 1 set
Contact
Suzhou Lair Microwave Inc.

Suzhou Lair Microwave Inc.

· 7s yrs · Jiangsu, CN🇨🇳
Matches
2/2

Trusted supplier in Insulation Materials & Elements

5.0/5.0(6)
Rating
<15%
Reorder
96.2%
On-time
≤7h
Reply
Main categories
Connector Accessories
RF Insulator for Coaxial Connectors & Microwave Components Model LR-401551 Low Loss Hermetically Sealed,RF connector, Connector
RF Glass Insulator (Glass to Metal) for Coaxial Cable 50 Impedance 72GHz Frequency Gold & Nickel Plated
$2.60
MOQ : 10 pieces
$1-50
MOQ : 100 pieces
Contact
Zhejiang Nengrong Electric Power Equipment Co., Ltd.

Zhejiang Nengrong Electric Power Equipment Co., Ltd.

· 5s yrs · Zhejiang, CN🇨🇳
Matches
2/2

Competitive supplier in Lightning Protection & Earthing

<15%
Reorder
100.0%
On-time
≤2h
Reply
US $22,000+
Transactions
Main categories
Other MV&HV ProductsLightning Protection & EarthingMotor Starters
U70BP146 Anti-Pollution Suspension Glass Insulator Brass Material for Lightning Protection and Earthing
U160BLP U160BP155 U160BP170 Anti-Pollution Suspension Glass Insulator for Lightning Protection Earthing Made Durable Brass
U120BP146 Brass Double Umbrella Suspension Glass Insulator with High Voltage Lightning Protection & Earthing Features
$5.10
MOQ : 2 sets
$9.10
MOQ : 2 sets
$9.90
MOQ : 2 sets
Contact
Zhengzhou Aobest Electronic Technology Co., Ltd.

Zhengzhou Aobest Electronic Technology Co., Ltd.

VerifiedManufacturer· 15s yrs · Henan, CN🇨🇳
Matches
2/2

15 years of experience in industry

Inspection according to client's requirement

5.0/5.0(5)
Rating
<15%
Reorder
100.0%
On-time
≤3h
Reply
Main categories
Power CablesElectrical WiresControl Cables
Customized 300kn 220kv Antifouling Glass Insulators Highest Level Anti Pollution Products for MV&HV
High Voltage Glass Insulator 70KN Double Wing Terminal Connector PSD-70E
2023 Export 33kv 36kv Glass Insulator Three Layer VHT 37T Pin Type Power Accessory
$5.65-10.53
MOQ : 100 pieces
$9.30-9.50
MOQ : 3000 pieces
$15-16
MOQ : 2000 pieces
Contact
Jiangxi Johnson Electric Co., Ltd.

Jiangxi Johnson Electric Co., Ltd.

· 10s yrs · Jiangxi, CN🇨🇳
Matches
2/2

Top 10% for inquiries in Insulation Materials & Elements

Competitive supplier in Insulation Materials & Elements

<15%
Reorder
100.0%
On-time
≤5h
Reply
US $5,900+
Transactions
Main categories
Electrical CeramicsPower Distribution Equipment
JOHNSON Jade Green Toughened Glass Insulators Antipollution Pins High Voltage Suspension String Insulator IEC 60120 Certified
JS Green Glass Insulators U120B High Voltage 10kV 120kN Spherical Suspension Insulator with Wooden Case
Glass Suspension Insulator Manufacturers Hot Sale IEC Standard Electric 70KN Glass Insulators Factory Price
$1-5.59
MOQ : 1 piece
$4.27-4.87
MOQ : 100 pieces
$4.08-4.28
MOQ : 1 piece
Contact
Xuchang Yuneng Electrical Insulation Material Co., Ltd.

Xuchang Yuneng Electrical Insulation Material Co., Ltd.

· 10s yrs · Henan, CN🇨🇳
Matches
2/2

Top 10% for inquiries in Insulation Materials & Elements - United States of America market

Well-suited supplier in Insulation Materials & Elements

5.0/5.0(3)
Rating
<15%
Reorder
100.0%
On-time
≤3h
Reply
Main categories
Other Fiberglass ProductsFiberglass Cloth
High Voltage High Temperature UPGM203/GPO3 Fiberglass Mat Unsaturated Polyester Laminate Sheet Insulation Material
Manufacturer Wholesales Transformer Insulation Materials Electrical Grade Insulating Kraft Paper Diamond Dotted Paper Ddp Paper
$2.90-5
MOQ : 500 kilograms
$1.50-2.50
MOQ : 100 kilograms
Contact
Jiangsu Yunbian Transformer Co., Ltd.

Jiangsu Yunbian Transformer Co., Ltd.

VerifiedManufacturer· 2s yrs · Jiangsu, CN🇨🇳
Matches
2/2

Inspection of all products

Accepts over 8 secure payment methods

Comply with ISO standards

4.9/5.0(7)
Rating
<15%
Reorder
100.0%
On-time
≤1h
Reply
Main categories
MV&HV TransformersLow Voltage TransformersInverters & Converters
Customized Insulation Glass Insulator for High Voltage Transmission Lines
Factory Direct Supply Yunbian High Voltage Pillar Type 380V 630A 50/60Hz Brown Glazed Porcelain Insulator
Yunbian Sample Available Low MOQ Porcelain Post Insulator 380V 630A High Voltage Pillar Type for MV&HV Products
$8.60-11.18
MOQ : 10 pieces
$9.90
MOQ : 10 sets
$9.90
MOQ : 10 sets
Contact
Zhejiang Haivo Electrical Co., Ltd.

Zhejiang Haivo Electrical Co., Ltd.

· 16s yrs · Zhejiang, CN🇨🇳
Matches
2/2

Trusted supplier in Insulation Materials & Elements

5.0/5.0(2)
Rating
<15%
Reorder
100.0%
On-time
≤14h
Reply
Main categories
FusesLightning Protection & Earthing
36KV Pin Silicone Rubber Composite Insulator for Distribution Line
porcelain insulators high voltage
composite insulators
$2-20
MOQ : 500 pieces
$0.80-4
MOQ : 300 pieces
$10-19
MOQ : 500 pieces
Contact
Yueqing Sarah Electric Technology Co., Ltd.

Yueqing Sarah Electric Technology Co., Ltd.

· 19s yrs · Zhejiang, CN🇨🇳
Matches
2/2

Reliable supplier in Power Distribution Equipment

0.0%
On-time
≤7h
Reply
Main categories
Other Electrical EquipmentLightning Protection & Earthing
EL-6M Polyester Resin Type Insulator
Porcelain Insulator Glass Type 70KN 100KN 120KN LXP-70 LXP-100
Glass Insulator Suspension (Disc) Type
$3-10
MOQ : 100 pieces
$19-21
MOQ : 1000 pieces
$6-10
MOQ : 1 piece
Contact
Hebei Yipeng Line Equipment Manufacture Co., Ltd.

Hebei Yipeng Line Equipment Manufacture Co., Ltd.

VerifiedManufacturer· 15s yrs · Hebei, CN🇨🇳
Matches
2/2

15 years of experience in industry

15 years of experience in exporting

Provides e-commerce design services

2.6/5.0(1)
Rating
<15%
Reorder
100.0%
On-time
≤4h
Reply
Main categories
Other MV&HV ProductsPower Distribution Equipment
HV glass suspension insulator of U40B,U70BS/U70BL for transmission and distribution insulators
FXB-25/70CT 25KV Composite Hanging Rod Insulator/Bar Silicone Insulator
High Voltage Overhead Line Fitting Disc Insulator Glass Insulator
$2
MOQ : 100 cartons
$0.11-0.25
MOQ : 10000 pieces
$1
MOQ : 1000 pieces
Contact

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Sources & References

30 sources cited · Verified industry data & reports

Insulation Market Size And Share | Industry Report, 2033

Grand View Research

Insulation market size was estimated at $74.05 billion in 2025 and is projected to reach $127.70 billion by 2033, growing at a CAGR of 7.1% from 2026 to ...

Insulation Market Size, Share, Growth, Forecast, 2034

Fortune Business Insights

The global insulation market size was valued at USD 75.30 billion in 2025. The market is projected to grow from USD 81.67 billion in 2026 to USD 156.40 billion ...

What's Ahead: Key Industry Trends for 2026 and Beyond

insulation.org

Job growth waned throughout 2025, and the unemployment rate continued to trend higher. We are worried about the labor market in 2026. If unemployment rises ...

High Voltage Electric Insulators Market

Future Market Insights

The high voltage electric insulators market was valued at USD 2.10 billion in 2025, projected to reach USD 2.23 billion in 2026, and is forecast to expand to ...

Electric Insulators Market Size, Trends, 2026-2033 ...

LinkedIn · DataSage TechResearch

Electric Insulators Market size was valued at USD 4.2 Billion in 2024 and is poised to grow from USD 4.5 Billion in 2025 to USD 7.2 Billion ...

Insulation Market Key Growth Drivers and Trends by 2034

Polaris Market Research

The insulation market size was valued at USD 107.42 billion in 2025. The market is projected to exhibit a CAGR of 6.8% during 2026 to 2034. The ...