We are a factory producing transformers and current sensor for 20 years. And we got RoHS,IEC,ISO9001, CE, SGS, and CB Certificates.
Tianjin Grewin Technology Co.,ltd, who always pay great attention to its business philosophy "Quality and Honesty First".
Grewin is specialized in the design and manufacture of wound electronic components for 20 Years and 26 producing lines for transformers,current transformers,chokes etc. windely used in communications,electronics,meters,industrial control,medical equipments and other fields. We are also a provider of power meters and winding machines etc.
We have passed ISO9001,CE,SGS,IEC, CB approval ,85% of its products exported to Brazil,Columbia, Argentina,Chile, Canada,Mexico,America, Russia,Italy,Germany,Indonesia,Singapore including more than 100 countries.
We developed good cooperative relationship with valued customers around product quality and value-added service along with the fast efficient solution.
Grewin Mission: Growing together side by side, Mutual success hand in hand.
We sincerely invite you to join us to create a bright future.
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