Toroidal Transformer

DONGGUAN SPEED ELECTRONICS CO.,LTD , a leading provider of quality inductive components and industry standard magnetics to major OEMS worldwide .The reliability ,responsiveness and the service team has been outstanding ,Speed understands our business needs and implements the right solution for us .

Speed thrives on more than 25 years of solving our customers' most complex problems ,serving as a true partner for applications ranging from RF to light.

Speed is serious about our customers and we love workng with like -minded people to achieve amzing thing ! We offer realistic ,down to earth ,practical solutions that aim to deliver most reliable and highest quality services for you .

Since the establishment ,Speed has gained full affirmation by the industry and society in reputation ,technology ,product and quality after years of development and efforts .

How to win

1. Prompt contact and guaranteed response within 24 hours .

2.Qualified know -how and experts staff .

3.Best solution to every need .

4. Fast prototyping .

5. Maximum confidentiality in sharing confidential information related to your projects.

6. Possibility of supporting the developing of desings .

7.Suitable partner to follow the customer from conceiving to the mass-production.

Quality is our commitment

Quality is our commitment and the foundation of our company's success.

Service is our heritage

At Speed ,service has always been more just than a business model . Service is our mindset.

Our personal touch

We are there for you -of course ,we also offer our personal contact for your questions and request ,we offer competent and expert support around the clock on the phone or by the email.

R & D Capability

What if we can problem-solve together to create solutions that change things for the better?

New Technology

What if you could turn every challenge into opportunities that create success for your team and organization?

Manufacturing Capality

What if you could find inner strengths, social solutions, and a new drive to reach your purpose in life?

Manufacturing

Speed is manufactures from our standard drawings or customers drawings and specifications. We can develop, design and manufacture speciality parts, assemblies according to customer requirements.

Speed offers the reliability and cost efficency for small and big production runs and to achieve closer tolerances. If you have special component requirement please send us your technical drawings and learn prices a.s.a.p.

On time delivery

All orders are tracked by computer on a daily basis from start to finish. We are able to change priorities immediately to accommodate our customer requirements. Next day delivery is available to almost anywhere for standard products.

Quality Assurance

We have a full-time quality control department with dedicated inspection office. Our quality department will work with a customer's specific quality requirements to insure a reliable and consistent machined part. We strive to maintain the most productive atmosphere possible to insure quality and efficiency in every step of production.

Shipping and packing

All parts are cleaned, then carefully packaged to keep dirt and moisture out. All orders receive protective packaging after completion and are stored safely until shipment. We also offer assembly and final packaging at the customer's request.

Every day brings new challenges and unique situations for our top-notch employees. We push the monotony of the assembly line aside as our team produces high quality innovative products for the energy sector.

Our employees experience great opportunities for growth, furthering their knowledge and abilities. This growth spills over into their personal lives as they hone newly acquired skills.

Speed culture is as unique as our products. Our highly skilled team acts as mentors to new staff, committed to transferring their knowledge to future generations of Speed

Tianjin Grewin Technology Co.,ltd, who always pay great attention to its business philosophy "Quality and Honesty First".

Grewin is specialized in the design and manufacture of wound components such as transformer,current sensors, chokes etc .

windely used in communications,electronics,meters,industrial control,medical equipments and other fields.We are also a provider of power meters and instruments locators. 85% of its products exported to America, Europe, and Asia etc.

We have passed ISO9001,CE,SGS approval and IEC report and developed good cooperative relationship with valued customers around product quality and value-added service along with the fast efficient solution.Grewin has won a lot of customer's praise.

[Foshan Shunhong Electric Co., Ltd.], founded in 1987, is a high-tech private enterprise specializing in the development, production and sales of power transformers. The products include: single-phase and three-phase transformers with a minimum power of 50 watts to 15000 watts. "quality first, customer first" is the company's business tenet. Our products are sold to various provinces and cities in China and foreign markets such as Taiwan, the United States, Canada and Japan. More than one million users worldwide, it is a necessary conversion power transformer for import and export electrical appliances. Shunhong transformer is famous all over the world for its high-tech and high-quality continuous innovation.

DERNFU ENTERPRISE CO.,LIMITED is a company registered in Hong Kong, is mainly engaged in the investment ,product design and marketing services.

Over the past 22 years, Boss's classmates, relatives, friends, fellow countrymen and colleagues had set up new factories in various product fields. With their warm invitation, DERNFU has invested some factories which DERNFU interested products. Some factories don't participate in the management, some factories will participate in part of the management.

Till now,our invested plants include: a flexible flat cable factory, a cably assy factory,a solenoid factory, a micro air pump & valves factory, a toroidal transformer factory, a high voltage transformer, a power transformer factory, a motor factory, a stage lighting, LED factoies, a household electric appliances factory, a metal & plastic factory, a ozone generator factory, a voltage regulator factory, Power supply factory, machinery factory,etc.

We have the production, sales and price advantages of these products: FFC (Flexible flat cable) , cable assy , solenoid,coil, toroidal transformers, high voltage transformers, distribution Transformer, EI type transformers, micro DC air pumps, solenoid water pumps, micro DC water pumps, micro DC air valves, water valves, AC or DC motors,servo motors, and so on.

For supporting these products, we found DERNFU ELECTRONIC (DONGGUAN)CO.,LIMITED in Dongguan city.

GUANGZHOU CHINBEST ELECTRICAL APPLIANCE CO.,LIMITIED supporting all kinds of lightings and home appliance,such as steam iron board, steam iron station, steam mop;stage lightings, Insect killer lamp, LED lightings;Solar energy,etcetc. Brand is "Chinbest" .

We always provide high quality products and the best prices for our customers. In the future, we will investment or cooperation with more and more factories, add products rang to meet our guests. A one-stop service,saving time, saving man-made, saving cost for my customers. In future, we will invest more than 30 factoreis.

In China, "DERNFU" meaning are "Good Virtue", "Kindness", "Richness".

With competitive prices and favorable service, our customers are from over the world. Our long-term cooperation with some global leading enterprises has helped us accumulate rich operation experience and enjoy high prestige.

Thank you for your visiting and wish you find helpful information here. We hope to establish long-time cooperation with you. For more information, please contact me free and welcome come to visit our factories in China in future anytime. Please tell me your contact information: company website, email, mobile phone, whatsapp, wechat, Skype, QQ and others.

DERNFU has always been to decades of good faith as the honor, DERNFU opposes some big companies asking other companies to buy business reputation with money or exchange terms.

Company spirit: Top speed, Top quality, Top credibility and Top service

Cooperation spirit: Humanity basing, sincere business.