Gold Member Since 2010
Audited Supplier

Qingdao Cosine Electrical Equipment Co., Ltd.

Insulator, Composite Insulator, Porcelain Insulator manufacturer / supplier in China, offering Overhead Power Line End Fitting, Top Bottom Insulator Fitting, 120kn Tongue of Railway Insulator and so on.

(/ )

Supplier Homepage Company Show Factory photos power frequency puncture test

Factory photos

power frequency puncture test [Sep 06,2016]
power frequency puncture test
All the insulator will be inspected strictly by our QC.  The complete test equipment assure the good quality .