Gold Member Since 2011
Audited Supplier

Tianjin Grewin Technology Co., Ltd.

Transformer, Current Transformer, Toroidal Transformer manufacturer / supplier in China, offering Minature Current Transformer with Minimal Phase Angle Error, Etd RM Type High Frequency Transformer for Medical Electronics, Grewin Current-Type Miniature Voltage Transformer (GWTV31B) and so on.

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Transformer IEC test report [Oct 25,2016]
Transformer IEC test report
Tianjin Grewin Technology Co.Ltd is a professional transformers,curent transformer Outdoor swimming transformer,waterproof toroidal transformer etc. manufacture. We can guarantee "Honesty and Quality" First. 

This IEC approval is very popular in Europe marketing. 

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