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About Us

CTC Insulator Co., Ltd. is a manufacturer of composite insulators and bushings. Starting in 2002 and becoming an LLC in 2016, CTC Insulator has more than 100 employees with approximate annual sales of 60 million CNY (9.4 million USD). CTC has obtained the SGS quality management system certification (ISO 9001: 2015), certifications from environmental health systems and OSHA management systems (ISO 14001:2015), and the Siemens supplier qualification for hollow composite insulators (ISO 45001:2018).

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For over a decade, CTC Insulator Co., Ltd. has been a globally trusted brand and partner with various public and private utilities and utility contractors. Our widespread recognition of quality assurance, product technology, and brand awareness allows us to maintain long-term cooperation with many regional power companies and multinational power engineering companies. CTC exports products to more than 20 countries and regions in North and South America, Europe, Asia, and Africa. 

Our factory can conduct product tests and inspections according to national standards and a variety of international standards such as IEC, ANSI, BS, CAN, etc. Our products can meet most of the standard design tests and material tests, such as ultraviolet aging test, hardness test, flame-retardant test, tracking test, leakage current test, etc. Our factory has a physical and chemical laboratory and a high-voltage test hall. There is a variety of testing equipment in the physical and chemical laboratory that can test the performance of multiple product raw materials. The test equipment is calibrated by a third-party organization every year. Many domestic and foreign customers have frequently visited our factory to conduct acceptance and verification tests.

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