ABOUT GREWIN TRANSFORMERS: Tianjin Grewin Technology Co.,ltd, who always pay great attention to its business philosophy "Quality and Honesty First". We have both design and produce advantages about toroidal transformer,magnetic transformer,EI chasis class mounting transformer ,current transformer and clamp on sensor.

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 transformers components products and using automated equipment like audio equipment, converter,power supply and meter,power monitoring etc.

Also we have passed ISO9001, CE, SGS certification.

Grewin Mission: Growing together side by side, Mutual success hand in hand.

Grewin Values: Behaving: Fitness Confidence Honesty Gratefulness Acting: Profession Efficiency Team-work Passion Achievements at work, realization of your goal.

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