

Plug-in Heat Sink
Plug-in heat sinks are versatile, compact, and lightweight, catering to different usage spaces and high-power device cooling needs.

Soft Start Heat Sink
A single-profile design with heat sink fins and base, offering 8-15% improved cooling efficiency for high-power devices.

Aluminum Heat Sink
Aluminum heat sinks are sleek, lightweight, and highly efficient for cooling high-power components and solid-state relays.

Water Cooling System
Water Cooling: Ideal for limited space, it enhances heat dissipation and meets high-efficiency cooling needs with excellent noise control.
Hot-Selling Heat Sinks Recommendantion

Product Advantage
- Unique appearance design, compact and easy-to-use Heat Sink fins.
- Great heat conduction and resistance, cooling performance controlled by fin quantity.
- Aluminum and copper are lightweight, making for easy installation and maintenance.
- Shape can adapt to diverse machine requirements.
SPECIALIZED HEAT SINKS FOR SPECIFIC FILEDS
Providing Comprehensive Cooling Solutions

COMPANY STRENGTH
LJ-MD offers integrated solutions for mold making and product manufacturing. We specialize in custom cooling designs for diverse spaces and unique operating environments.
Customization Expertise
We specialize in tailored cooling solutions, meeting unique customer requirements, including standards compliance, variable lengths, and specific operating environments








Inquiries
Drawing Confirmation
Mold Opening
Sample Confirmation
Bulk Production
Fast Delivery
Customization Process
With 15 years of industry experience, LJ-MD combines full-process technology, large-scale production, and rigorous quality standards. They produce 2 million heat sinks annually, with a typical 45-day lead time for mold opening and 5-7 days for standard custom orders.


Liujing Rectifier Launches New Photovoltaic Reverse Protection Diode with Multiple Protection Features
We are proud to announce that Zhejiang Liujing Rectifier Co., Ltd. has been awarded a national invention patent for our groundbreaking “Photovoltaic Anti-Reverse Diode with Improved Heat Dissipation” (Patent No.
Innovating for a Greener Future: Liujing Rectifier Unveils Patented Cooling Technology for Photovoltaic Diodes
We are proud to announce that Zhejiang Liujing Rectifier Co., Ltd. has been awarded a national invention patent for our groundbreaking “Photovoltaic Anti-Reverse Diode with Improved Heat Dissipation” (Patent No.
Zhejiang Liujing Rectifier Co., Ltd. Named to Global Top 100 ESG Enterprises in New Energy
Introduction Recently, the authoritative Global New Energy ESG Top 100 list was officially released. Zhejiang Liujing Rectifier Co., Ltd. earned a place on this prestigious ranking thanks to its outstanding

