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(0086)13649870082 / (0086)0769-81801313
21 Years Transformer Supplier
Won The High-tech Enterprise In 2017
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The company has import and export rights, 60 percent of products exported directly to 34 countries and regions
About us
Dongguan City Tongmao Electronics Co., Ltd.has been specialized in electronic transformers and Inductance coil industry for 21 years, focusing on solving all kinds of technical difficulties in the industry.
The company has import and export rights, 60% of its products are exported directly to 34 countries and regions around the world. The company international sales team can assist you in many languages including English, French, German, Arabic, Czech, and Russian.
The company has more than 10 national patent technologies and re-adopted the ISO-9001 management system in 2016 and won the national high-tech enterprise in 2017.
21 Years of Transformer Inductor Industry Experience
21 years
21 Years of Transformer Inductor Industry Experience
National high-tech enterprises and 10 national patents
10 items
National high-tech enterprises and 10 national patents
Detection of production equipment more than 300
300 units
More than 300 inspection and production units
Factory and dormitory practical area up to 20,000 m2
20000m2
Up to 20,000 area facility
and factory
It can produce 50,000 transformers every day
50000 pieces
Prodcution capacity of 50,000 per day
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  • 2018
    05-
    31
    The transformer consists of a core (or core) and a coil, and the coil has two or more...
    2018
    05-
    31
    Inductance coil are components that can store electrical energy as magnetic energy...
    2018
    05-
    31
    SMD Inductance coil are electromagnetic induction devices wound with insulated wires...
    2018
    05-
    31
    Low-frequency transformers are used to spread the signal voltage and signal...
    2018
    05-
    31
    the inductor is an energy storage component, and the magnetic beads are energy...
    2018
    05-
    31
    Faraday invented an "inductive loop" on August 29, 1831, called the "Faraday...
    2018
    05-
    31
    The skeleton of the I-shaped inductor is a winding bracket made of a copper core...
    2018
    05-
    31
    The classification of commonly used transformers can be summarized as follows...
    2018
    05-
    31
    Different magnetic materials have different magnetic permeability and different temperature characteristics...
    2018
    05-
    31
    The Transformer is a device that changes the AC voltage using the principle of electromagnetic induction...

    Common problem  常见问题

    The skeleton of the I-shaped inductor is a winding bracket made of a copper core coil...
    High-frequency transformers are power transformers whose operating frequency exceeds...
    Why common mode inductance can prevent EMI? To make this clear, we need to start with...
    The internal motherboard of the computer is mixed with various high-frequency circuits...
    High initial magnetic permeability (this is the basic requirement of common-mode inductance)...
    High-frequency transformers are power transformers whose operating frequency exceeds mid-frequency (10kHz)...
    The skeleton of the I-shaped inductor is a winding bracket made of a copper core coil...
    High-frequency transformers are power transformers whose operating frequency exceeds...
    Why common mode inductance can prevent EMI? To make this clear, we need to start with...
    The internal motherboard of the computer is mixed with various high-frequency circuits...
    High initial magnetic permeability (this is the basic requirement of common-mode inductance)...
    High-frequency transformers are power transformers whose operating frequency exceeds mid-frequency (10kHz)...
    (0086)0769-81801313
    Address:No.23, Tongfu West Road, Shijie Second Village, Shijie Town, Dongguan City, Tongmao Science and Technology Park
    Specialized in electronic transformers and Inductance coil industry for 21 years.
    Copyright 2018 ? Dongguan City Tongmao Electronics Co., Ltd.【Backstage management】Technical Support:【】
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