Tianjin Grewin Technology Co.Ltd. In Tianjin City which is very close to XinGang Port and BinHai International Airport, which provide timely and convenient access to transportations for customers. It’s a professional leading and a main exporter of a wide variety of electronics components in north of China.
All of our products stand for top quality in this industry and are enjoying very high honor.We have abtained ISO9001,CE,SGS approval and IEC test report.
Our core business are including following:
1.Toroidal Transformers
2.Current Transformers
3.EI laminated Transformers
4.Ferrite Core Transformers
5.Monitoring Devices
6.Power Testing
7.Chokes Coil
All staff in our company would like to appreciate for your attention to our products. Welcome to give us your valuable suggestions about products and services. You can be our sole agent in your country and benefit from more preferable prices.OEM orders are welcome.

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, achievements in life.