Looking back on the past, through continuous technological innovation, we are committed to the application of high-tech and professional equipment for the production of our vacuum impregnated transformer, power rectifier device, AC To DC Switching Power Supply. We have an experienced development team and sophisticated technology to custom-make the most suitable switching transformer core and bobbin to customers. Thanks to the long-term trust and support of our customers and partners, let's work together and collaborate closely to create a better world and make unremitting efforts! Our company operates with integrity, fairness, and transparency in all business dealings. Our team is committed to providing prompt and responsive service to our clients. Our mission is to provide the best products at competitive prices. We value our corporate image and develop together with the outside world, and hope to strive to create a harmonious environment in which the company and its employees, society and nature are in friendly harmony.
  • High Power Switching Power Supply
    Electrical products need strong plastic parts. Our industrial plastic parts are made for this. We make contactor housings, arc chambers, and terminal supports. We use glass-filled nylon,...
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  • AC To DC Switching Power Supply
    Your contactor needs a coil. Our electromagnetic solenoid coil is the power source. We make it under our "Zhengda Coil" brand. We use Class H or Class C wire. This can handle 180℃ to 220℃. It...
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  • Waterproof Switching Power Supply
    Your control panel needs stable power. Our industrial power transformer gives you that. It is used for control circuits and lights. It comes in sizes from 25VA to 10kVA. It can be single-phase or...
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  • HF Transformer
    Your operators need to see the machine status. Our LED indicator pilot light gives a clear signal. It uses high-brightness LED chips. It comes in red, green, yellow, blue, and white. It has a wide...
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  • Industrial Control Transformer
    Sometimes you need to hear the alarm. Our industrial electronic buzzer gives a loud sound. It uses a piezoelectric or electromagnetic element. It makes over 80dB of sound at 10cm. You can choose...
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  • Machine Tool Control Transformer
    When a contactor opens, an arc forms. This arc can damage the contacts. Our arc chute components stop the arc. They use metal plates or ceramic. The metal plates cut the arc into small pieces....
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  • Small Current Transformer
    Your power system needs protection from overloads and short circuits. Our molded case circuit breaker is made for this. It has a high breaking capacity. The insulation voltage is 800V. The current...
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  • Volt Transformer
    Homes and offices need reliable circuit protection. Our miniature circuit breaker is made for this. It has a slim 18mm per pole design. The current range is from 1A to 63A. You can choose B, C, or...
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Donna Burns star star star star star
You have affordable price and good quality goods, we are considering to introduce you to our peers.
Anna Harrell star star star star star
I am very grateful to the engineers of this company for providing us with information and ideas and helping us to formulate and implement a procurement plan for customized products, and the product
Maxine Rathbun star star star star star
The customer service staff were very friendly and patient in answering all my questions.
James Linsley star star star star star
The products are not only beautiful and easy to use, but also of good quality, so we will continue to order them.
Susan Bray star star star star star
You have a professional team doing professional things, and you can communicate with us in a timely manner.
Leslie Czapla star star star star star
Recently, we visited your company's workshop and workshop, and after the close contact, we agreed that your production and cooperation ability is trustworthy, and we hope to reach a pleasant
We are gradually becoming a comprehensive and international modern enterprise, continuing to maintain and consolidate our dominant position and growth strength in the vacuum impregnated transformer, cotter pin, spring pin industry. With abundant experience, we are one of the most professional switching transformer core and bobbin manufacturers in China. Please feel free to buy discount switching transformer core and bobbin made in China here and get quotation from our factory. All customized products are with high quality and low price.
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