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About Our Company

Shenzhen haoyanlin Electronics Co., Ltd. was established in 2012 and is one of China’s leading manufacturers of inductors and transformers. We have an independent engineering team and advanced production and testing equipment to ensure consistent product quality. Our factory covers an area of 20,000 square meters with over 400 employees. Our products include inductors, high- and low-frequency transformers, and other OEM/ODM magnetic components.

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Why Choose Us


We are a professional and reliable company. Our independent engineering team and advanced production and testing equipment help ensure consistent product quality. You can get everything you need for a reliable and secure purchasing experience.


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    Our Certificate

    UL, ISO 9001, ISO 14001, IATF 16949

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    Our Factory

    Our factory covers an area of 20,000 square meters and has over 400 employees.

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    Professional Experience

    We have 14 years of professional experience in transformer manufacturing.

Application Areas
Explore our solutions for diverse applications.
  • Communication
  • Medical equipment
  • Industrial power
  • EV cars and Charging
  • Solar and wind energy
  • Home appliances

Frequently Asked Questions

Find quick answers to common questions.
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What is the delivery time?
There is stock for in-stock products. For customized samples, 5-10 days. For mass order, 15-30 days depends on quantity and stock of raw materials.
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What is your price?
Price depends on product specification, quantity, market factors. A price list is available when contacting us.
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Can you provide relevant documents?
Business licenses, ISO, SGS, RoHS certificates or export documents, you can get everything you need to keep your money and goods safe.
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What payment methods do you accept?
A bank account is preferred. Western Union, PayPal or other methods are also acceptable.
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How to ensure the safe and reliable delivery of products?
Deliver the goods safely to your hands with high-quality export packing cartons and protective packaging methods. We have more than 10 years of packaging experience, whether it is air, sea or truck transportation. Also, if anything goes wrong, shipping insurance is a good option.
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Latest News
Stay updated with our latest news.
Classification Of Photovoltaic Transformers
May 20, 2026
Classification Of Photovoltaic Transformers
String Transformer: Corresponds one-to-one with the inverters; small in size and high in efficiency, suitab...
Methods For Assessing The Saturation Characteristics Of Common-mode Chokes
May 19, 2026
Methods For Assessing The Saturation Characteristics Of Common-mode Chokes
If the common-mode choke saturates, emissions will increase with increasing input surge. If the common-mode...
Theoretical Knowledge Of Common Mode Chokes
May 18, 2026
Theoretical Knowledge Of Common Mode Chokes
The motherboard inside a computer contains a mix of high-frequency, digital, and analog circuits. When thes...
Applications Of Toroidal Inductors
May 17, 2026
Applications Of Toroidal Inductors
Inserting a toroidal inductor in series with power and signal lines, along with a capacitor, forms an LC fi...