Gold Member Since 2010
Audited Supplier

Qingdao Cosine Electrical Equipment Co., Ltd.

Insulator, Composite Insulator, Porcelain Insulator manufacturer / supplier in China, offering Australian Standard Type Pin porcelain Insulators with Zinc Thimbles, Porcelain/Ceramic Suspension Disc Insulator Fitting of Socket Cap, Porcelain/Ceramic Pin BS Standard Insulators for 11kv/33kv/36kv-Pin Type Insulator and so on.

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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 .