1.High Quality Toroidal Transformer for Wind Energy

1.  technical parameters.

1. audio equipment 
2. electric control
3. computer
4. solar device
5.telecommunications
6.high-end and middle-end vedio etc

3.High Quality Toroidal Transformer for Solar Energy

4.Transfomrer for medical equipment

5.Waterproof outdoor toroidal Transformer :105VA-1000VA 

Waterproof Encapsulated transformer Application:

1. Garden light 

2. LED underwater lamp 

3.LED Ground light

4.Outdoor power Supply

5.Audio sound field

6.Stage lighting

7.Outdoor lighting

8.Christmas Lights
H CLASS HIGH STANDARD TOROIDAL TRANSFORMER FOR MEDICAL EQUIPMENT
A.  Test process for general transformer:

1  .No-load test (included no-load voltage,no load current and no load loss)

 2.iInductive voltage test 

 3. Load test (load voltage and temperature rise

 4. Temperature rise test .

 5.Insulated resistance 

 6.Hi-pot test 

 7.Leakage indutance test 

 8.DC resistance test 

 9.Surface inspection.

B. Our transformer's advantages:

3.Specially sales and technical services:5-10Years

4.With 20 years' producing history in transformer induatry

5.our company have cooperated with many customers around the world and gained good reputation at home and abroad.

C.Note:

The above-mentioned toroidal transformer is frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard. 

D.GREWIN'S Dimension :

External diameter: 40mm-300mm, height :13mm-130mm, Efficiency: 75-98% 
we can design the appropriate products according to customers' requirments such as installation dimension, input and output voltage,power...etc.)

E: Produce procedure:

The following picture showed you about all finished toroidal transformer production line and package with export standard carton and strong pallets:

 About us:
 

 1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". Due to continuous innovative research and development, our products have meet the technical standards and safety standards , which are efficient and environment-friendly. As a professional leading and a main exporter of a wide variety of electronic components in China for many years, we adhere to new products, quality to meet the needs of you and welcome all of you to negotiate.

We have abtained ISO9001:2015,IEC,CE, CB approvals of toroidal transformers.We guarantee quality is the first.






1.Fllow chart of trading activities: