Zhaotong insulators is one of the China’s leading manufacturer of porcelain insulators for overhead line and substation applications. Our extensive knowledge and production technology enables us to produce the insulator designs up to 500kV AC and 400kV DC system voltages.

In addition to general GB, ANSI, BS, DIN, AS, IEC standard designs of building transmission and distribution lines and substations. we can do design insulators for specific non-standard applications to meet the varying needs of customers and our engineers are available to assist you in developing insulators for your particular application.

Zhaotong product is the result of our extensive experience of the insulator sector, including long-term relationships with customers. It is based on a strong commitment to research and development, as well as industry-wide standards, and addresses both customers business and technology demand.

Zhaotong state of the art manufacturing facilities utilize the latest technologies, all certified to the most recent ISO 9001:2015. we employ world class manufacturing tools and management systems.