Tianjin Grewin Technology Co.,Ltd.
| Place of Origin | Tianjin,China |
| Brand Name | GREWIN |
| Model Number | customized toroidal transformer 3va 10va 50va 100va 200va 300va 400va |
| Certification | CE UL ROHS |
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Product Specification
| Place of Origin | Tianjin,China | Brand Name | GREWIN |
| Model Number | customized toroidal transformer 3va 10va 50va 100va 200va 300va 400va | Certification | CE UL ROHS |
| High Light | strp up toroidal transformer for solar inverter 3va 220v 12v ，high quality toroidal transformer for solar system power supply 240v 24v 50va ，high efficiency single phase isolation toroidal transformer for solar converer 100va 300va | ||
100va 30ma toroidal transformer for solar energy with high frequency
1.technical parameters.
Related products:
2.Test process
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.
3.CE CERTIFICATE
1. Installation:
Horizontal (non-conventional-type base plate), sunk, side type, and bridge.
2.customized audio toroidal transformer and solar energy transformer Application:
Especially low-hum and low-dispersing construction
Low-level of induction
High-grade design casing possible
Statically shield winding and magnetical shield winding optional .
3.Application:
1. audio equipment
2. electric control
3. computer
4.instrument
5.telecommunications
6.high-end and middle-end vedio etc
4. Advantages:
1. More than 3 years of experience in medical equipment marketing
2. With a full range of products, we are sure that you will find what you need 3.Leading medical equipment industry, we can provide you with the most advanced products
4. Cooperated widely with other enterprises in medical equipment industry over the years, we have
accumulated a lot of experience; we will provide more professional and thoughtful service to
satisfy the needs of customers.
5. Providing comparative price and high quality products, so far, our company have cooperated
with many customers from over 50 countries and gained good reputation at home and
abroad
5.Warning
Under no circumstances should both ends of the fixing bolt simultaneously contact the metal chassis or framework as this would create a potentially dangerous 'shorted-turn'.
6.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.
7.GREWIN'S Dimension :External diameter: 55mm-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.)
4.product procedure
GREWIN has various kinds of state-of-the-art equipment, which are used in production, sampling and testing. Our equipments enable us to produce good quality products efficiently.
4.The following picture showed you about all finished toroidal transformer production line and package with export standard carton and strong pallets:
5.packing
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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
2.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 |
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.Sample terms:
(1). Samples will be sent subject to advance payment to cover the courier charge and samples charge.
(2). You are pleased to instruct your courier company to pick up samples in our TianJin, China office at your expenses. For pick-up details, please advise your courier company to contact us.
(3). Delivery time 3-10 working days.
5.Contact Information: Cathy Li Tianjin Grewin Technology Co.,Ltd. Address: Yi Hao Qiao,Hedong Distr,Tianjin in China. Wechat: mumude7 QQ:3320234860 |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2011
Employee Number:
>less than 50
Ecer Certification：
Active Member
1.Our manily manufacture: *High Frequency Transformers, *EI Power Transformers, *toroidal transformer, *pcb mount encapsulated power toroidal transformer, *welding toroidal transformer, *audio amplifier toroidal transformer, *electronic toroidal transformer for lighting, *planar t... 1.Our manily manufacture: *High Frequency Transformers, *EI Power Transformers, *toroidal transformer, *pcb mount encapsulated power toroidal transformer, *welding toroidal transformer, *audio amplifier toroidal transformer, *electronic toroidal transformer for lighting, *planar t...
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