1. What standards do your porcelain insulators meet? Do you have certifications?
Our porcelain insulators comply with IEC 60383, ANSI C29, GB/T 772 and other relevant international and national standards. Type tests and routine tests are conducted, and third-party inspection reports (e.g. SGS, CNAS) can be provided upon request.
2. What types of porcelain insulators do you offer?
We supply a wide range of products, including:
Suspension type insulators
Pin type insulators
Post type insulators (line/station post)
Anti-pollution, anti-fog, and other customized designs
3. What voltage and mechanical load ratings can your insulators handle?
Depending on the model:
Rated voltage: from 6kV to 220kV+
Mechanical breaking load: from 40kN to 210kN
Custom requirements can also be supported.
4. Can you provide customized sizes or structures?
Yes, we support OEM/ODM customization based on your drawings, samples, or project requirements. We can customize dimensions, glaze color, metal fittings, threading specs, and more.
5. Are your products suitable for harsh environments (polluted, coastal, high altitude)?
Absolutely. We provide anti-pollution, salt-fog-resistant, acid-rain-proof, and UV-resistant glazes, making our insulators ideal for:
Coastal areas
Industrial pollution zones
High-altitude, high-UV or low-temperature environments
6. What is your lead time and MOQ?
MOQ: Usually 100–500 pcs, depending on the model
Lead time: Standard types ship within 7–15 days; customized orders take 20–30 days, depending on tooling and production schedule.
Audited Supplier 
){kind=link}