Tianjin Grewin Technology Co., Ltd

Tianjin Grewin Technology Co.,ltd, who always pay great attention to its business philosophy "Quality and Honesty First". We have both design and produce different kinds of current transformers, including clamp on current transformers、split core current transformers、closed loop sensor hall、open loop sensor hall、miniature current transformers、three phase current transformers、single phase current transformers and so on.

Depending on continuous and innovative R&D, and efficient management, Grewin has attracted lots of talented people to work together, who provide effective production, accurate inspection testing and excellent sales service for customers.

Grewin's  manufacturing bases is located in Tianjin in China's north, which is Grewin's for electronic component products and using automated equipment like telephone, computer, air-conditioner and meter equipments etc., the division is operated by engineers who design and build data recorders with reasonable price.

Our products are all exported to overseas market like America, German, Russia, Japan etc. Also we have passed ISO9001, CE, SGS certification.

We sincerely invite you to join us to create a bright future.