Tianjin Grewin Technology Co.,Ltd

English|Español|Français|русский |Português

WHATAPP
+86-13072088960

HOME
PRODUCT
Return
- Power Monitoring Device
  Return
  - Cable Fault Testing system
    Return
  - Power Meter
    Return
- VLF Hipot Tester
- Current Transformer
  Return
  - Clamp Current Transformer
    Return
  - Current Hall Sensor
    Return
  - Split Core Transformer
    Return
  - Minature Voltage Transformer
    Return
  - Minature Current Transformer
    Return
  - Instrument Current Transformer
    Return
  - Flexible Rogowski Coil
  - Toroidal Core Current Transformer
- High Frequency Transformer
  Return
- Low Frequency Transformer
  Return
  - Toroidal Transformer
    Return
  - EI Laminated Transformer 50/60Hz
    Return
- Chokes Inductor
ABOUT US
Return
APPLICATION
Return
MANUALS AND DOWNLOADS
CONTACT US
NEWS
Return

English|Español|Français|русский |Português

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.

Know Details

NEWS

2025-01-07
view detaits
Tianjin Grewin underground pipe locator TDR distance pinpointer cable fault locators advantages and solutions
Underground pipe locator TDR distance pinpointer cable fault locators advantages and solutions
2024-12-31
view detaits
New Year Team Activity
Good team atmosphere with members trusting and respecting each other. Happy New Year together!
2024-08-16
view detaits
GWOL-668N 6-35kV overhead line fault detection and location
6-35kV GWOL-668N overhead line fault detection and location It integrates five functions: fault diagnosis, AC location, DC location, AC voltage withstand test, and DC voltage withstand test.
2024-02-25
view detaits
TDRL-902 test feedback about old customer from Italy
This customer is mainly use our TDR-902 Cable fault locators and feedback us as following three points: 1. Performance is good of TDR. 2.Tested on 89 cables. 3.Accuracy is good.