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This section provides an overview for porcelain insulators as well as their applications and principles. Also, please take a look at the list of 34 porcelain insulator manufacturers and their company rankings. Here are the top-ranked porcelain insulator companies as of December, 2024: 1.Eger Products, Inc., 2.Saravana Global Energy Limited, 3.National Power Industries.
Table of Contents
A porcelain insulator is a type of electrical insulator crafted from porcelain, a material renowned for its non-conductivity of electricity and heat. Porcelain, belonging to the ceramic family, is primarily composed of aluminum oxide or magnesium oxide, which undergoes crystallization upon being subjected to high temperatures during the firing process. This transformation enhances its insulation capabilities, attributed to the material's crystalline structure.
Thanks to their exceptional insulating properties, resistance to heat, durability, and chemical stability, porcelain insulators are widely utilized across a broad spectrum of applications. These include but are not limited to power transformers, converters, capacitors, and other ceramic components critical to the electrical and electronics industries.
Beyond their role in electrical insulation, porcelain insulators' ability to maintain performance under extreme temperatures and pressures makes them invaluable in demanding environments. Their chemical stability also extends their application to the chemical processing industry and the food industry, where non-reactivity is crucial. This versatility underscores the importance of porcelain insulators in both traditional electrical applications and broader industrial uses.
*Including some distributors, etc.
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Holley Technology Ltd. is a Chinese manufacturer of measurement meters and systems that was established in 1970 as a division of the Holley Group. Based in Hangzhou, the company primarily produces energy, water, and gas meters, as well as high and low voltage power equipment, transformers, and power fittings. It also offers fuses, insulators, breakers, and cables. Holley Technology also provides additional R&D, installation, and maintenance services for clients with unique use-cases.
Zhejiang Volcano Electrical Technology Co., Ltd., established in 2000 with headquarters in China, is a manufacturer of high-voltage disconnectors and switches. The company's extensive product line includes vacuum circuit breakers, auto-reclosers, disconnectors, load break switches, and switchgear. These products are used in infrastructure-scale, industrial-scale, and processing and manufacturing plant-scale high-voltage electrical power supply and distribution systems. The company also offers consulting for integrated power supply and distribution systems as well as installation services.
Jiangxi Johnson Electric Co. Ltd., established in 2016 and headquartered in Pingxiang, Jiangxi, China, is a manufacturer of composite power insulators. The company's main products include glass insulation, composite insulation, and porcelain insulation. It also produces a range of power fittings using its insulator technology, which are used in transformers and other power grid components such as lighting arrestors, long rod insulators, and composite polymer strings. The company's services include private label manufacturing, and it also offers full OEM services.
Electric Powertrek Company Ltd, established in 2017, is a Hebei Province, China-based manufacturer and supplier of full-range power fittings including electric power lines, communication lines & equipment as well as railway equipment and electrical hardware. The company's wide range of products includes various Polymeric Composite Insulators & Lighting Arrestors, Hot Dip Galvanized Steel Strand Wire, and ABC Cable Fittings. Electric Powertek Company also offers design, installation, testing, maintenance, and repair solutions on electrical line fittings and high-altitude safety.
Ningbo Jecsany Electrical Equipment Co., Ltd. is a manufacturer and supplier of high-voltage power products for the industrial sector established in 2009 and located in Ningbo, Zhejiang, China. The company’s products include polymer insulators for insulating high-voltage lines, surge arresters for protecting equipment from voltage spikes, and disconnecting switches for isolating electrical circuits. It also offers transformers for converting electrical energy to different voltages, and circuit breakers for protecting circuits from damage, and reclosers for automatically restoring power following a fault event. The company chiefly serves clients in the energy, electrical utilities, and industrial manufacturing sectors.
NGK Insulators Ltd. was established in the year 1919 based in Nagoya, Japan and it is a manufacturer and supplier of electric power equipments. The company products are energy storage systems, automotive ceramics, special metals, home use water purifier, industrial process products, ceramic heaters, electrostatic chucks. It's products are applicable in batteries, suspension insulators, station post insulators, pin post insulators, beryllium copper strip and chill vents. The company is ISO 26000 certified.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Eger Products, Inc. |
16.2%
|
| 2 | Saravana Global Energy Limited |
13.5%
|
| 3 | National Power Industries |
10.8%
|
| 4 | Neptune Industries |
8.1%
|
| 5 | MIRA ENTERPRISES |
8.1%
|
| 6 | K M Cables & Conductors |
5.4%
|
| 7 | SEALEX INDIA |
5.4%
|
| 8 | Reliance Potteries |
5.4%
|
| 9 | Electric Powertek Company Ltd. |
5.4%
|
| 10 | SASUN INTERNATIONAL ELECTRIC CO., LTD. |
2.7%
|
Derivation Method
The ranking is calculated based on the click share within the porcelain insulator page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
China
|
7 | 87.5% |
India
|
1 | 12.5% |
