Switch mode flyback transformers are used extensively in electronic applications, usually within a switch mode power supply. A switch mode power supply is usually powered from a D.C. source, such as a battery. The switching mode power supply converts the input D.C. source to one or more output D.C. sources.

Dezhou Sanhe Electric Group is a famous joint venture manufacturing enterprise for electronic components and power appliance since 1991 in China. We have four manufacture bases locate in Dezhou, Qingdao, Huizhou, Shenzhen. And the Dezhou factory area is 96000㎡. Our core products are Line filter, electronic transformers, integrated inductors, power board etc. High quality, technical innovation and excellent management help us to earn 'Best vendor 'of Panasonic, TCL, Haier etc. And certificated to be 'No defect Company' and acquired gold and silver awards by Samsung. To serve customer better, we established two affiliates in Tokyo, Kumamoto Japan. We will continually keep improving to satisfy your need

1. Supply Chain Management
All the material are from middle and high end suppiler
1.1 Core:TDG,DMEGC,ACME
1.2.Bobin:SUMITOMO,CHANGCHUN
1.3.Magnet wire:Yichi,DALIAN FUJI
1.4.Tape:3M,Yahua.
1.5.Paint:KYOCERA,TAIHU
1.6:Glue: ThreeBond,SHAW HUOW
2. Production Process Control System of Key Parameter
Make operation instructions in every production process, Quality traceability
3. Storage management System
We have raw material warehouse, finished product warehouse and nonconforming product warehouse all the material should be stored at fixed area
4. Packaging System
We have many years' experience to serve European and Japnese Customers, here are many reliable packing solutions options. We also have professional packaging engineer to design suitable packing according to customer's demand
5.QC System
We have 30 QC staffs, and 5 of them have years experience of QC management. The QC system covers all the quality control procedures such as incoming inspection, process control,finished product inspection, Reliability test and RoHS management.
We have 20 testing equipments and strict testing process to promise every product is qualified
6.Inspection before delivery
Sampling inspect according to standards of finished product inspection,sampling and package
7. After sales system
To protect customer's benefit, we will reply customer within one hour when there is quality complaint. Also we need customer's assistant to provide relevant pictures and videos, and finish the accident investigation within 24 hours If it is our responsibility, we will give 8D report within 48 hours, and all the defective product will be returned or replaced 

1. Can I get sample for testing before bulk order?
Of course.Samples can be offered to you by free, but express costs should be undertaken by buyer.
2.What is your lead time?
Small sample order 3-5 working days; Large order should be within 15 working days after order confirmed.
3. What's your Guarantee?
Within 2 years, if any quality problem, the defect products will be all replaced at once.
4. How to purchase from us?
Offer Requirement for Inquiry →Producing Sample →Sample Confirmation → Quotation →PI → Confirm PI → Arrange Payment→ Manufacture →Shipping
5.How to Pay with your visa&master card:
a. Please creat a personal buyer account before you buy from alibaba.
b.Write your email address, when place an order.
c. Go to your email and click the link, "send initial payment/pay balance" or "go to pay"
d. Then choose "+Add a new card to pay in USD($)"
e. Fill in the bank card information, "Confirm and Pay", that charge from your card derectely, place an order successful
6. What's your trade term?
EXW,CPT FOB CIF DDU DDP are all acceptable.
7. Can I order with my logo printing, size and shape?
Sure, but MOQ should be negotiated.
8.What's your payment term?
T/T, D/P, D/A, L/C, PayPal.
9. What's your express service?
Fedex, DHL,TNT,UPS with great discount up to 80%.