20V 4.5A oem Laptop battery AC adapter shenzhen for Ultrabook S3

EETransformer

applied in the switching power supply,main power transformer

EF Transformer

applied in the switching power supply,main power transformer

 EFD Transformer

Auxiliary powr transformer,main power transformer,choke coils

 EPC Transformer

 Auxiliary powr transformer,main power transformer

 PQ Transformer

applied in the linear filter,choke,pulse transformer,drive transformer

UU Transformer

varieties of switching power supply transformer,coke coils et

 EC/EER/ER Transformer

applied in the linear filter ,current tranformer,smoothing choke coil,drive transformer, switching power transformers and chokes

RM Transformer

filters, inductors and transformers for telecommunication other electronic equipment

POT Transformer

filters for telecommunication equipment,and various kinds of inductors and transformers

DR Core

Choke coils, Peaking coils, Linearity coils, Alarm coils, Power choke coils, Fixed choke coils, Filtering coils,etc;

EI Transformer

Various kinds of transformers and chokes.

TOROIDAL core

Pulse and wide-band transformers, various types of filters, inductors and chokes.

2.Factory

Welcome to visit our product line ,we have 2 head company,1subsidiary company

3.Sample Charge

Free

4.Inquiry

Replied within 24 hours

5.Customization

1.Air gap of ferrite core processing or your technique request

2.Our R&D department offer the advice basing on your transformer designing;

3.We can build up the new mould basing on your design;

6.Certification

SGS, RoHS, ISO9001,basing on your request,for example CE,UL

 VDE etc

7.Packing

1. 5 layer hard paper carton,

2. have inner box,

3.Outer box packed by thin film

8.Shipping

1.by sea ,by express, by air

9.After-sales

Specialized after-sales team offter technology support

Basis of title

The entire process is completed internal, in order to ensure that you can get 

faster delivery service than from any other supplier.

We introduce the most advanced technology continually to meet the most stringent 

quality standards, every product is tested,and returning  rate <0.01%, so that we can 

meet the needs of buyers from more than 70 countries.

Other advantages 

1,Complete Certification and standards: UL; ISO 9001; ISO 14001; SGS; REACH; RoHS

2,Factory Area: 7000 square meters

3,Production capacity: 30,000,000 pieces of transformers, inductors, coils

4,Service: provide customers with the most satisfactory service to solve the product difficult 

5,"3 fast": Replying fast; Offering fast; Delivering fast 

company profile

Dongguan HangTung Electronics Technology Co., Ltd. was founded in 1987 and is a 

high-tech company which integrates production, design, R&D, and sale.

We-HangTung-specialize in developing many kinds of electronic components. Include 

electronic transformers, 

SMD power, inductors coils, fixed inductors, toroidal coils, common mode chokes, 

and adapters 

We are ISO 9001 and ISO 14001 certified and our products come with UL, RoHS and 

SGS marks. For more details, please contact us without hesitation.