We are a professional Waterproof Switching Power Supply, ac dc switching transformer, switching power module transformer company, the main R&D and production members have many years of industry experience. The company is an enterprise specializing in the production of switching protection device and a qualified and registered supplier in the industry. We serve customers with heart, and insist on impressing customers with our own services. We pursue the corporate spirit of integrity, responsibility and excellence, and provide users with the highest quality products and services through a complete after-sales service system. Paying attention to sincerity and cooperation is the premise of development. When problems arise, we should adopt a sincere and cooperative attitude to. We uphold the development concept of 'adhering to tradition and leading fashion', and constantly innovate and develop ourselves. We use years of experience to make our products to be more creative and unique so that our products have both appearance and quality assurance.
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![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 -
![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...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 or...read 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 wide...read 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 choose...read 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....read 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 current...read more -
![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...read more
Verna Maple
This company can continuously improve products to meet customer requirements. It can be seen that they really want to develop. I hope you can succeed.
Robert Gruber
The shipping was completely beyond my expectations and the packaging was very careful.
Ryan Cassella
Good faith helps to establish a good corporate image, good faith helps to improve corporate efficiency, and good faith can bring more opportunities to the development of enterprises. It's
Richard Howe
Your people work hard and are able to think for themselves and have excellent understanding.
Dennis Ramirez
I am very happy to be able to work with you! Thanks!
Stephanie Walker
As a "quality first, customer first" company, they did exactly what they called for it.
Our staff are usually in the spirit of 'continuous improvement and excellence', and while using the top-quality high-quality items, favorable value and superior after-sales services, we try to acquire each and every customer's belief for recessed handle, breaker overload relay, miniature dc breaker. With abundant experience, we are one of the most professional switching protection device manufacturers in China. Please feel free to buy discount switching protection device made in China here and get quotation from our factory. All customized products are with high quality and low price.