We have passed ISO9001:2015,CE,SGS approval and IEC report
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1.Product Specification:
1). Models:
EI28, EI30, EI35, EI41, EI48,EI57, EI66, EI86, EI96, EI105, EI114, EI133, EI152, EI162 etc.
2). Maximum output: 1.2W, 2W, 4W,12W, 20W, 35W, 40W, 50W, 90W, 180W, 200W, 400W, 600W, 850W, 1500W, 2400W, 2700W etc.
3). Input:
100Vac, 110Vac, 115Vac, 120Vac, 220Vac, 230Vac, 240Vac etc.
4). Output:
AC(0--380V); DC(0--50V)
2.Technical Parameter Table:
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3.Application:
1). Measuring instruments.
2). Communication prducts.
3). Medical instruments.
4). Audio & Video
5). Elevator
6). Machinery
4.Features:
1) Important components for electronic equipment and wireless equipment
2) Power: 0.15-1,500W
3) The transformer core is made of high quality silicone laminated steel
4) All products are 100% test passed and hi-pot shock
5) Clean, tidy, easy for installation
5.Advantage:
1).UL, CUL, CE, ROHS, ISO9001:2008
2).We offer custom-made transformers, OEM and ODM are welcome
3).We deliver the quality you expect at consistently competitive prices
4).Transformer quality lifetime:10 Years.
5).Specialty Sales service:5 -10 Years
6).Transformers Test: 100% test before the shipment
About us:
1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ".
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2.Terms of Shipment:
Within 10 working days after received related prepayment or L/C.
3.Payment terms:
(1). T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before
delivery.
(2). By irrevocable L/C at sight, to be issued immediately against confirmed order.
(3). Payment by T/T, if order amount is less than USD 20,000.
4.Production:

5.Flow chart of trading activities:
Contact us:
Cathy
Tianjin Grewin Technology Co.,Ltd.
Tel:86-22-84943756
transformer.en.made-in-china.com
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1). Models:
EI28, EI30, EI35, EI41, EI48,EI57, EI66, EI86, EI96, EI105, EI114, EI133, EI152, EI162 etc.
2). Maximum output: 1.2W, 2W, 4W,12W, 20W, 35W, 40W, 50W, 90W, 180W, 200W, 400W, 600W, 850W, 1500W, 2400W, 2700W etc.
3). Input:
100Vac, 110Vac, 115Vac, 120Vac, 220Vac, 230Vac, 240Vac etc.
4). Output:
AC(0--380V); DC(0--50V)
2.Technical Parameter Table:
Model | Power | Dimension(cm) | Weight (KG) | Voltage Regulation | Approval Mark | ||||
A(cm) ±1.5 | B(cm) ±2 | C(cm) ±2 | D(cm) ±2 | E(cm) ±2 | |||||
GWT-EI28 | 1.5W | 43 | 30 | 38 | 28 | 0.11 | 35 | CE,TUV, | |
GWT-EI35 | 3.0W | 47 | 37 | 38 | 33 | 0.15 | 22 | CE,TUV, | |
GWT-EI41 | 11.0W | 54 | 43 | 47 | 35 | 0.32 | 16.5 | CE,TUV, | |
GWT-EI48 | 25.0W | 62 | 50 | 65 | 43 | 0.57 | 13.1 | CE,TUV, | |
GWT-EI57 | 40.0W | 73 | 59 | 65 | 51 | 0.84 | 11.8 | CE,TUV, | |
GWT-EI66 | 80.0W | 83 | 68 | 80 | 58 | 1.38 | 9.3 | CE,TUV, | |
GWT-EI76 | 140W | 64 | 70 | 76 | 85 | 68 | 2.25 | 7.6 | CE,TUV, |
GWT-EI86 | 180W | 72 | 75 | 86 | 92 | 73 | 2.82 | 7.1 | CE,TUV, |
GWT-EI96 | 250W | 80 | 81 | 96 | 90 | 82 | 3.36 | 6 | CE,TUV, |


3.Application:
1). Measuring instruments.
2). Communication prducts.
3). Medical instruments.
4). Audio & Video
5). Elevator
6). Machinery
4.Features:
1) Important components for electronic equipment and wireless equipment
2) Power: 0.15-1,500W
3) The transformer core is made of high quality silicone laminated steel
4) All products are 100% test passed and hi-pot shock
5) Clean, tidy, easy for installation
5.Advantage:
1).UL, CUL, CE, ROHS, ISO9001:2008
2).We offer custom-made transformers, OEM and ODM are welcome
3).We deliver the quality you expect at consistently competitive prices
4).Transformer quality lifetime:10 Years.
5).Specialty Sales service:5 -10 Years
6).Transformers Test: 100% test before the shipment
About us:
1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ".

2.Terms of Shipment:
Within 10 working days after received related prepayment or L/C.
3.Payment terms:
(1). T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before
delivery.
(2). By irrevocable L/C at sight, to be issued immediately against confirmed order.
(3). Payment by T/T, if order amount is less than USD 20,000.
4.Production:

5.Flow chart of trading activities:
NO | Step | Days need |
1 | Request for quotation | 1 day |
2 | Making quotations | 1 day |
3 | Offer and counter offer | 3 days |
4 | Sending and receiving samples | 3-10 days |
5 | Sample confirmation | 3 days |
6 | Placing a firm order | 1 day |
7 | Paying and receiving the down payment | 1-4 day |
8 | Factory production & Quality inspection | 15-20 days |
9 | Paying and receiving the balance | 4 days |
10 | Delivery of goods | 1 days |
Contact us:
Cathy
Tianjin Grewin Technology Co.,Ltd.
Tel:86-22-84943756
transformer.en.made-in-china.com