Tianjin Grewin Technology Co.,Ltd

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- Power Monitoring Device
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  - Cable Fault Testing system
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  - Power Meter
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- VLF Hipot Tester
- Current Transformer
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  - Clamp Current Transformer
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  - Current Hall Sensor
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  - Split Core Transformer
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  - Minature Voltage Transformer
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  - Minature Current Transformer
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  - Instrument Current Transformer
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  - Flexible Rogowski Coil
  - Toroidal Core Current Transformer
- High Frequency Transformer
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- Low Frequency Transformer
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  - Toroidal Transformer
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  - EI Laminated Transformer 50/60Hz
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- Chokes Inductor
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ABOUT GREWIN:

Tianjin Grewin was established in 1995 and specialized in the manufacture of monitoring systems ，cable tester，transformer,current transformers and chokes etc. in China.These products widely used in communications,power energy,industrial control,medical equipments etc. After more than 24 years' development, we totally have 16 producing lines for transformers and 5 producing lines for monitoring systems.Now we have abtained the CE, ISO9001, CB, SGS and IEC certificates and we have our own brand “GREWIN”. We have established long-term trade relationships with customers from Germany,Russia, Ukraine,USA,Canada,Australia,Brazil,India, Malaysia, Indonesia etc. including more than 100 countries. "Quality and Honesty First” is the business philosophy we always adhere to. We also stick to the management strategy of "product creation, management creation and service creation".Make Grewin known by the world in electrical industry.

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NEWS

2023-07-28
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Trainning cable fault locators for customers
Our old customer came to our company to visit and negotiate cooperation, while we provide outdoor training for customers to deeply learn about our fault tester products.
2023-08-22
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Caring for our staff
We're always pay much attention to our staff. Love employee and care them very much both in career development and emotion aspects.
2023-05-25
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Czech visit our company and have the negotiation between two sides
Czech customers visited our company on May 22, and we entertained warmly and kindly. During this period, we had a in-depth communication on cable fault locators.
2022-06-20
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underground pipe and power cable locators demostration
We have finished demostration successful about our underground and power cable fault locators for more than 18 honor customers on June 2th,2022.