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CTC Insulator is a leading manufacturer of high-performance composite insulators based in Dalian, China. With over two decades of experience, we deliver reliable, tested, and globally certified solutions to power utilities and infrastructure projects worldwide.
A globally trusted brand in composite insulator manufacturing since 2002.
Dalian CTC Insulator Co., Ltd. is a manufacturer of composite insulators including composite hollow insulators, composite post insulators, and epoxy bushings. Founded in 2002 as Dalian Ceramic Technic Co., Ltd., the CTC brand was officially registered in China in 2005 for the insulator field.
For over two decades, CTC Insulator has been a trusted partner for public and private utilities, power engineering firms, and infrastructure contractors across North and South America, Europe, Asia, and Africa. We export to more than 20 countries, maintaining long-term cooperation through consistent quality and technical innovation.
Our factory is equipped with a physical and chemical laboratory and a high-voltage test hall. We conduct product testing according to IEC, ANSI, BS, CAN, and other international standards. Our testing includes UV aging, flame resistance, tracking, leakage current, and material hardness — all verified with third-party calibrated equipment.
An affiliate dedicated to enhancing customer experience in North and South America through local distribution and support.
High-performance composite insulators engineered for reliability, durability, and compliance with international standards.
Designed for high-voltage applications in substations and switchgear. Offers excellent hydrophobicity, UV resistance, and mechanical strength.
Ideal for overhead transmission and distribution lines. Features lightweight design, high creepage distance, and superior pollution performance.
Engineered for substation applications requiring high mechanical load capacity and excellent electrical insulation under severe environmental conditions.
High-dielectric strength bushings for transformers and switchgear. Resistant to tracking, erosion, and thermal cycling.
Used in high-voltage transmission lines. Features a single fiberglass rod with silicone rubber housing for superior pollution performance.
Specifically designed for electrified railway systems. Withstands vibration, pollution, and extreme weather conditions.
For use in distribution networks where high tensile strength is required. Ensures secure termination of conductors.
Utilizes advanced silicone housing for superior hydrophobicity and pollution performance in coastal and industrial environments.
Lightweight and corrosion-resistant alternative to porcelain. Ideal for areas with seismic activity or difficult access.
Designed for transmission systems up to 500kV. Tested for flashover, pollution, and mechanical load performance.
We offer tailored insulator designs to meet specific project requirements, including non-standard dimensions, voltages, and environmental conditions.
Full in-house testing capabilities including type tests, routine tests, and customer-specific verification per IEC, ANSI, and other standards.
We combine engineering excellence, rigorous testing, and global support to deliver unmatched value.
Certified testing per IEC, ANSI, BS, and CAN standards. Third-party calibrated equipment ensures accuracy.
Exporting to over 20 countries with dedicated support in the Americas for faster delivery and service.
Streamlined supply chain and local distribution in the Americas ensure timely project fulfillment.
Long-term relationships with utilities and contractors built on reliability, performance, and integrity.
Our products are tested and manufactured according to IEC, ANSI, BS, CAN, and other international standards. We can customize designs to meet specific regional or project requirements.
Yes, we provide custom engineering solutions for non-standard voltages, mechanical loads, creepage distances, and environmental conditions.
Our manufacturing facility is located at 32 Guangyuan Street, Lvshun Economic Development Zone, Dalian, Liaoning, China.
Visit our official website at ctcinsulator.com to download the catalog or contact us directly.
Yes, CTC Insulator, Americas is an affiliate that supports customers in North and South America with local distribution and technical service.
Contact us for product inquiries, technical support, or custom solutions.
32 Guangyuan Street, Lvshun Economic Development Zone, 116045, P.R. China
(86) 411-39551677
info@ctcinsulator.com
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