Top 10 Porcelain insulator factory China Products Compare 2025

Are you curious about where to find the best porcelain insulators in China? With so many factories vying for your attention, it’s crucial to know which ones stand out in quality and reliability. By comparing the top porcelain insulator factories, you can ensure that your projects are backed by superior products that meet your needs. Imagine the peace of mind that comes with choosing the right supplier! Dive into our comprehensive guide to discover the leading factories and make informed decisions for your business. Keep reading to unlock the insights you need!

Pingxiang Zhaotong Porcelain Insulator Technology Co., Ltd.

Product Details: Porcelain insulators for overhead line and substation applications.

Technical Parameters:
– Capacity: 10,000 tons per year
– Voltage ratings up to 500kV AC and 400kV DC

Application Scenarios:
– Overhead power lines
– Substation applications

Pros:
– High voltage capability
– Durable and reliable performance

Cons:
– Potential for breakage under extreme conditions
– Heavier than some alternative materials


Pingxiang Zhaotong Porcelain Insulator Technology Co., Ltd.

Suzhou Porcelain Insulator Works Co., Ltd.

Product Details: Porcelain insulators manufactured by Suzhou Porcelain Insulator Works Co., Ltd.

Technical Parameters:
– Various types of porcelain insulators
– Stock code: 834410

Application Scenarios:
– Electrical transmission lines
– Railway electrification

Pros:
– Durable and reliable performance
– Established manufacturer since 1936

Cons:
– Limited information on specific product types
– Potentially higher cost compared to alternatives


Suzhou Porcelain Insulator Works Co., Ltd.

About Suz – Suz Porcelain Insulators

Product Details: Porcelain insulators manufactured by Suz Insulators, including various types for AC/DC applications.

Technical Parameters:
– 40 ~ 550kN AC / DC Disc Suspension Porcelain Insulator
– AC1000kV/DC ± 800kV and below post porcelain insulators

Application Scenarios:
– Electric railway and urban rail transit
– Used in OCS and porcelain wall bushings

Pros:
– Independent intellectual property rights
– Complies with international and national standards

Cons:
– Limited information on specific product performance
– Potential market competition


About Suz - Suz Porcelain Insulators

China Suspension Insulator, Post Insulator, Pin Insulator Suppliers …

Product Details: High voltage porcelain and polymer insulators including suspension insulators, post insulators, and pin insulators.

Technical Parameters:
– Voltage Range: 1kV~220kV
– Standards: ANSI, IEC, AS, BS, DIN

Application Scenarios:
– Utility projects requiring high voltage insulators
– Power sector applications

Pros:
– Skilled technical expertise to improve performance
– Excellent reputation and manufacturing expertise

Cons:
– Limited information on specific product limitations
– Potential variability in performance based on application


China Suspension Insulator, Post Insulator, Pin Insulator Suppliers ...

China Customized Porcelain Insulator Manufacturers Suppliers Factory …

Product Details: Porcelain insulators are widely used in electrical transmission and distribution systems, known for their reliable performance in rugged environments.

Technical Parameters:
– Dielectric strength: 4–10 kV/mm
– Service life: 50 years or longer

Application Scenarios:
– High voltage power transmission lines
– Substations and electrical machinery

Pros:
– Environmentally friendly and recyclable
– High mechanical strength and corrosion resistance

Cons:
– Heavier compared to polymer insulators
– Susceptible to breakage and requires maintenance


China Customized Porcelain Insulator Manufacturers Suppliers Factory ...

porcelain insulators, electric insulators, Pin type insulators | China …

Product Details: Porcelain insulators manufactured by TCI Insulator Co., Ltd., including pin type insulators, suspension insulators, and line post insulators.

Technical Parameters:
– Diameter (D): 6.1 Inches (155mm), Spacing (H): 6.1 Inches (155mm), Leakage dista…
– Diameter (D): 12.6 Inches (320mm), Spacing (H): 9.65 Inches (245mm), Leakage dis…

Application Scenarios:
– Used in transmission and distribution lines.
– Applicable in high pollution areas or heavy rain locations.

Pros:
– Manufactured using a wet process for high quality.
– Designed for specific non-standard applications.

Cons:
– Limited information on specific performance metrics.
– Potentially higher cost compared to non-porcelain insulators.


porcelain insulators, electric insulators, Pin type insulators | China ...

China Instrument Transformer, Porcelain Insulator Manufacturers …

Product Details: High-voltage Instrument Transformers and Porcelain Insulators manufactured by SANDIAN Electric.

Technical Parameters:
– Voltage range: 35~550kV
– Power burden: 3kVA to 333kVA

Application Scenarios:
– Used in high-voltage power systems for measurement and protection.
– Applicable in various electrical installations and substations.

Pros:
– Leading technology in high-voltage transformer manufacturing.
– Strong competitiveness in the export market.

Cons:
– Limited information on specific product features.
– Potentially high cost for advanced technology products.


China Instrument Transformer, Porcelain Insulator Manufacturers ...

Glass Insulators, China HV Glass Insulators, Porcelain & Composite …

Product Details: Nooa Electric Co., Ltd. offers a range of electrical insulators including glass, porcelain, and composite insulators, designed for high voltage applications.

Technical Parameters:
– Production capacity: 3,500,000 pieces per year, expanding to 10,500,000 pieces p…
– Insulator types: Standard-type, anti-pollution-type, aerodynamic type, multi-umb…

Application Scenarios:
– Power plants
– Transmission lines

Pros:
– High-quality materials and manufacturing processes.
– Wide range of insulator types for various applications.

Cons:
– Limited information on specific technical specifications.
– Potentially high initial investment for bulk purchases.


Glass Insulators, China HV Glass Insulators, Porcelain & Composite ...

7 Best Electrical Insulator Manufacturers and Suppliers in China

Product Details: Electrical insulators including pin insulators, suspension insulators, and composite insulators from various manufacturers in China.

Technical Parameters:
– High voltage ratings up to 1000kV
– Material types: porcelain, glass, polymer

Application Scenarios:
– Power transmission lines
– Substations

Pros:
– High-quality manufacturing standards
– Wide variety of products available

Cons:
– Potential language barriers in communication
– Shipping times may vary


7 Best Electrical Insulator Manufacturers and Suppliers in China

China Composite Insulator Manufacturers, Porcelain Insulator Suppliers …

Product Details: High-density polyethylene insulator (HDPE insulator) or plastic insulator used in overhead electrical applications.

Technical Parameters:
– Rated System Voltage: 11KV-1000KV
– Specified Mechanical Load (SML): 45KN-400KN

Application Scenarios:
– Used in power transmission lines.
– Suitable for overhead electrical applications.

Pros:
– High dielectric strength compared to porcelain.
– Superior product performance designed to improve reliability.

Cons:
– Limited information on specific drawbacks.
– Generic limitations of plastic insulators.


China Composite Insulator Manufacturers, Porcelain Insulator Suppliers ...

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Comparison Table

Company Product Details Pros Cons Website
Pingxiang Zhaotong Porcelain Insulator Technology Co., Ltd. Porcelain insulators for overhead line and substation applications. – High voltage capability – Durable and reliable performance – Potential for breakage under extreme conditions – Heavier than some alternative materials www.zhaotonginsulator.com
Suzhou Porcelain Insulator Works Co., Ltd. Porcelain insulators manufactured by Suzhou Porcelain Insulator Works Co., Ltd. – Durable and reliable performance – Established manufacturer since 1936 – Limited information on specific product types – Potentially higher cost compared to alternatives www.spiwcn.com
About Suz – Suz Porcelain Insulators Porcelain insulators manufactured by Suz Insulators, including various types for AC/DC applications. – Independent intellectual property rights – Complies with international and national standards – Limited information on specific product performance – Potential market competition suz-insulators.com
China Suspension Insulator, Post Insulator, Pin Insulator Suppliers … High voltage porcelain and polymer insulators including suspension insulators, post insulators, and pin insulators. – Skilled technical expertise to improve performance – Excellent reputation and manufacturing expertise – Limited information on specific product limitations – Potential variability in performance based on application www.eastceramic.com
China Customized Porcelain Insulator Manufacturers Suppliers Factory … Porcelain insulators are widely used in electrical transmission and distribution systems, known for their reliable performance in rugged environments. – Environmentally friendly and recyclable – High mechanical strength and corrosion resistance – Heavier compared to polymer insulators – Susceptible to breakage and requires maintenance www.tcipowergroup.com
porcelain insulators, electric insulators, Pin type insulators China … Porcelain insulators manufactured by TCI Insulator Co., Ltd., including pin type insulators, suspension insulators, and line post insulators. – Manufactured using a wet process for high quality. – Designed for specific non-standard applications. – Limited information on specific performance metrics. – Potentially higher cost compared to non-porcelain insulators.
China Instrument Transformer, Porcelain Insulator Manufacturers … High-voltage Instrument Transformers and Porcelain Insulators manufactured by SANDIAN Electric. – Leading technology in high-voltage transformer manufacturing. – Strong competitiveness in the export market. – Limited information on specific product features. – Potentially high cost for advanced technology products. www.sandian-group.com
Glass Insulators, China HV Glass Insulators, Porcelain & Composite … Nooa Electric Co., Ltd. offers a range of electrical insulators including glass, porcelain, and composite insulators, designed for high voltage applic… – High-quality materials and manufacturing processes. – Wide range of insulator types for various applications. – Limited information on specific technical specifications. – Potentially high initial investment for bulk purchases. www.nooaelectric.com
7 Best Electrical Insulator Manufacturers and Suppliers in China Electrical insulators including pin insulators, suspension insulators, and composite insulators from various manufacturers in China. – High-quality manufacturing standards – Wide variety of products available – Potential language barriers in communication – Shipping times may vary www.powertelcom.com
China Composite Insulator Manufacturers, Porcelain Insulator Suppliers … High-density polyethylene insulator (HDPE insulator) or plastic insulator used in overhead electrical applications. – High dielectric strength compared to porcelain. – Superior product performance designed to improve reliability. – Limited information on specific drawbacks. – Generic limitations of plastic insulators. www.tcipowergroup.com

Frequently Asked Questions (FAQs)

What are porcelain insulators used for?

Porcelain insulators are primarily used in electrical applications to support and insulate electrical conductors. They prevent electrical leakage and ensure safe transmission of electricity in power lines, substations, and other electrical infrastructure.

How are porcelain insulators manufactured?

The manufacturing process involves mixing clay, feldspar, and quartz, shaping the mixture into desired forms, and then firing them at high temperatures. This process enhances their strength and insulating properties, making them suitable for various electrical applications.

What quality standards do porcelain insulators meet?

Porcelain insulators produced in China typically meet international quality standards such as IEC, ANSI, and BS. These standards ensure that the insulators are reliable, durable, and safe for use in electrical systems.

How can I choose the right porcelain insulator for my project?

Choosing the right porcelain insulator depends on factors like voltage rating, environmental conditions, and mechanical strength requirements. It’s best to consult with a manufacturer or supplier who can provide guidance based on your specific needs.

Are porcelain insulators environmentally friendly?

Yes, porcelain insulators are considered environmentally friendly as they are made from natural materials and are recyclable. They have a long lifespan, reducing the need for frequent replacements and minimizing waste in electrical applications.

Top 10 Porcelain insulator factory China Products Compare 2025

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