Our mission is to keep our products ahead of the competition by constantly upgrading the quality of instrument transformer, Volt Transformer, Small Current Transformer and management functions. We are an integrated provider of voltage transformer unit, and related technologies, solutions and services, serving both consumers and companies. We welcome new and previous clients from all walks of lifestyle to get in touch with us for long term business relationships and mutual accomplishment! The company operates in good faith and abides by the law, and has been well received by customers and users. We attach importance to the personal growth and value embodiment of our team members, and we need backbone talents with strong professional ability and the ability to create value continuously. While adhering to the established business fields, the company keeps expanding new business areas with the help of strong technical support and a long-term development vision. The development concept of “innovation, professionalism, unity, and progress” has guided our company's past growth and will continue to guide our future development. Our rigorous quality control and testing procedures ensure that our products meet or exceed all relevant industry standards. Quality is the life of an enterprise, the display of the overall quality of an enterprise, and the embodiment of the comprehensive strength of an enterprise.
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![Volt Transformer]()
Volt TransformerHomes 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 Dread more -
![AC To DC Switching Power Supply]()
AC To DC Switching Power SupplyYour 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 worksread more -
![High Power Switching Power Supply]()
High Power Switching Power SupplyElectrical 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,read more -
![Waterproof Switching Power Supply]()
Waterproof Switching Power SupplyYour 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 orread more -
![HF Transformer]()
HF TransformerYour 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 wideread more -
![Industrial Control Transformer]()
Industrial Control TransformerSometimes 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 chooseread more -
![Machine Tool Control Transformer]()
Machine Tool Control TransformerWhen 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. Thisread more -
![Small Current Transformer]()
Small Current TransformerYour 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 currentread more
Mitchell Laura
Our teamwork has continued to deepen, and our communication channels have always remained smooth, which is very rare.
Clifton Ford
We were very satisfied with the company's service attitude, and soon received products that met the requirements.
Susan Nelson
As a new customer, we cooperated after receiving the samples from the seller, and the products received later, like the samples, have perfect quality.
Breana Venegas
You have shipped very fast and we are very satisfied with the goods we receive.
Colleen Baily
Your delivery speed is very fast and your customer service can reply us in time.
Evelyn Jackson
We were very surprised at how efficient your company was and how good the quality of the product was and how great the experience was!
We hope that through our intentions and changes, we will continue to meet the individual needs of customers for Energy Saving AC Contactor, junction box seal. With abundant experience, we are one of the most professional voltage transformer unit manufacturers in China. Please feel free to buy discount voltage transformer unit made in China here and get quotation from our factory. All customized products are with high quality and low price.