Lhotser's Corona Rings can be used for power transformers, high voltage insulator, high voltage bushing, arrestor, reactors, HV DC system, high voltage test lab... and so on.
The corona ring surface are smooth, with excellent performance on controlling the HV corona.
The below photos are for reference, need more details, please feel free to contact with Lhotser sales.

Lhotser Group Limited

Add: F-Space Jinqiao Center, No. 198 Leyuan Road, Pudong New District, Shanghai, 201206, CHINA
Tel: +86 21 50599069
Web: www.lhotser.com
Mail: info@lhotser.com

Himalayal Corporation Limited
Add: F-Space Jinqiao Center, No. 198 Leyuan Road, Pudong New District, Shanghai, 201206, CHINA
Tel: +86 21 50599069
Web:‍‍www.himalayal.com‍‍
Mail: info@himalayal.com