Porcelain Insulators

porcelain insulator factory

AsiaPower of Changsha Rich, trusted since 1989, supplies high-quality porcelain insulators for transmission lines, substations, and electrical apparatus. Global standards, IEC, DIN, ANSI, BS, AS, etc. and also customers’ designs.

Powering a Safer, More Reliable Grid

For over three decades, AsiaPower has been a leading force in the design and manufacturing of high-voltage porcelain insulators. Our complete range of products forms the backbone of electrical infrastructure worldwide, providing critical insulation and mechanical support where it matters most.

Why Choose AsiaPower Porcelain Insulators?

Proven Durability: Engineered with advanced electro-ceramic materials for exceptional resistance to tracking, erosion, and mechanical stress.

Global Compliance:

Manufactured to meet and exceed international standards, including IEC, ANSI, and GB.

Complete Solution: From suspension and post to pin insulators, we offer the right product for every application in transmission and distribution.

Expert Support:

Leverage our 30+ years of engineering expertise to solve your most complex insulation challenges.

Production and Testing

Quality and Price Satisfactied

Package and Delivery

On-time Shipping Worldwide

porcelain insulator

Our standard porcelain insulators cover voltage ratings from 11kV to 765kV and mechanical strength from 70kN to 300kN and above. We can provide the exact specification based on your technical drawings or requirements.
Yes, all our insulators are manufactured in strict compliance with international standards such as IEC, IEEE, BS, AS, DIN and ANSI C29 and customers' drawings. We can provide full test certificates from independent laboratories upon request.
We use a high-quality, smooth glaze that is highly resistant to chemical corrosion and prevents the accumulation of contaminants. This design significantly improves the pollution flashover voltage, making it ideal for coastal or industrial areas.
For a standard container load, the lead time is typically 4-6 weeks. We offer flexible payment terms, commonly 30% T/T deposit with the balance before shipment.
We offer a 24-month warranty from the date of shipment. In the rare event of a defective batch, we initiate an immediate investigation and will replace all defective units at our cost, including expedited shipping.
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