Leading Power Semiconductor Manufacturer

WE CRAFT QUALITY, TO SHAPE TOMORROW

In service, we deliver value; through quality, we forge the future! With a 15-year commitment to producing power semiconductor devices, LJ-MD stands at the forefront of the photovoltaic and new energy revolution. Our anti-reverse diodes, thyristor modules, and flat-type thyristor modules cater to a wide range of industries, from variable frequency drives and soft starters to photovoltaic and new energy solutions, high-frequency power supplies, electromagnetic heating, welding equipment, and more.

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Choose from 4 Major Series with 300 Product Options

ABOUT LJ-MD
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Quality and Environmental Standards

At LJ-MD, we prioritize quality and environmental responsibility. As a testament to our commitment, we are proud to hold the following certifications:

Industrial Use Cases

Covering More Than a Dozen Different Uses, Earning Worldwide Praise

INVERTER
DC CABINET
CHARGING STATION
WELDING EQUIPMENT
HEATING SYSTEM
HIGH VOLTAGE REGULATION
HIGH FREQUENCY EQUIPMENT
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Knowledges

LJ-MD Scientific Blog

What is a thyristor module

Silicon-controlled rectifier modules are commonly referred to as power semiconductor modules. They were first introduced to the field of power electronics by Siemens in 1970. These modules use a packaged

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Into LJ-MD

Zhejiang Liujing Rectifier Co., Ltd.

Zhejiang Liujing Rectifier Co., Ltd. is a leading manufacturer of high-quality power semiconductor devices, well-regarded for our diverse product range and excellent service. With over 20 years of experience, we are driven by a commitment to quality, reliability, and competitive pricing. We aspire to be the top supplier of power semiconductors and seek lasting, mutually beneficial partnerships.

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We are open to manufacturing products at our production facilities according to your requests and technical specifications.