GB/T 19519

Composite insulators for a.c. overhead lines with a nominal voltage above 1000 V - Definitions, test methods and acceptance criteria.

GB/T 20142

Line post composite insulators for a.c. overhead lines with a nominal voltage above 1000 V - Definitions, test methods and acceptance criteria.

Zhejiang Gaoneng Electric Installation Co., Ltd.

Address: JieDai Industrial Zone, Yueqing, 325600, Zhejiang, China 

Contact: Mrs Smiler

Tel:+86-578-2857999

Fax:+86-578-2857998

Mobile: +86 13666634915

Email: sales@gao-neng.com

http://www.gao-neng.com/composite-insulator/