Gold Member Since 2011
Audited Supplier

Tianjin Grewin Technology Co., Ltd.

Transformer, Current Transformer, Toroidal Transformer manufacturer / supplier in China, offering Round Current Transformer (GWD-00021-4) , Core Miniature Transformer, Toroidal Power Transformer with Toroidal Winding Machine, Ei30 0.5va to 2.8va Short-Circuit-Proof Transformer with CE and RoHS and so on.

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Supplier Homepage About Company Profile
  • Tianjin Grewin Technology Co., Ltd.
  • Tianjin Grewin Technology Co., Ltd.
  • Tianjin Grewin Technology Co., Ltd.
Business Type: Manufacturer/Factory
Business Range: Auto, Motorcycle Parts & Accessories, Consumer Electronics, Electrical & Electronics, Industrial Equipment & Components, Instruments & Meters, Light Industry & Daily Use, Lights & Lighting, Manufacturing & Processing Machinery, Security & Protection, Transportation
Management System Certification: ISO 9001, ISO 9000, ISO 20000
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 ISO, CE, VDE, ISO2000 approval.

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


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.

Salesmanager@grewin-tech. COM

TEL: 0086 22 84943756


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