CTC Insulator is a composite insulator manufacturing company based in Dalian, China. We also have a regional office in Indianapolis, Indiana. 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). As a high-tech enterprise integrating R&D, manufacturing, and sales of composite insulators, CTC obtained the SGS quality management system certification at the end of 2014 and has also obtained certifications from environmental health systems and OSHA management systems. In 2017, CTC was rated as a high-tech enterprise with more than 30 patents.