Our company has created a large number of channel partners with tens of millions of returns to help the healthy development of the Composite Insulator Rubber, insulator line post, 330kV Composite Station Post Insulator industry. We are always looking for ways to improve our business processes and deliver greater value to our customers. Our company is constantly seeking new opportunities for growth and expansion.

230kV Line Post Insulator technical parameters:
Model | Rated | Specified | Structure | Minimum Dry Arc Distance | Minimum | Lightning Impulse | Wet Power Frequency |
(kV) | (kN) | (mm) | (mm) | (mm) | ≥(kV) | ≥ (kV) | |
FZSW-230/12.5 | 230 | 12.5 | 2250±20 | 1950 | 6650 | 1050 | 650 |




Our insulators not only tested by national and international labs, but also test by our own labs. Welcome to visit our factory and to witness your goods production and testing process.
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We are committed to providing high-quality 12kv 12.5kn Line Post Insulator with Silicone Rubber Housing to customers around the world. With advanced scientific management concept and system, we strictly supervise the production, inspection, sales and after-sales and other links to control product quality, improve work efficiency, and ensure the stability and reliability of products. The original driving force of our company is our well-trained, reasonably structured, energetic and experienced, dynamic and vigorous technological team.
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