GREWIN as manufacture for Toroidal Transformer, current transformer, high frequency magnetics transformer, split core current sensor, clamp on CT, EI power Transformer etc. We have abtained ISO9001: 2015, IEC, CE, VDE, approval.

Our company have many advantages which can be your honesty and reliable supplier:

WHY CHOOSE US?

A. Business philosophy "Quality and Honesty First“

B. Over 40 years experience of transformer designing and producing.

C. Transformer 100% test before the shipment;

D. UL, CE, ISO9001: 2008

E. We offer custom-made transformers, OEM and ODM are welcome

F. We expect at consistently competitive prices

G. Transformer quality lifetime: 10 Years.

H. Professional experiences of the sales and engineers: 5 -10 Years

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

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

Contact Information:

Tianjin Grewin Technology Co., Ltd.

TEL: +86 22 84943756

Web: www.grewin-tech.com