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Professional LED, Diodes & Transistors Manufacturer

Shenzhen Yongerjia Industry Co., Ltd. is a high-tech enterprise specializing in the research, development, manufacturing, and sales of semiconductor discrete devices. With 27 years of expertise, we deliver reliable, high-performance components trusted globally.

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27
Years of R&D Experience
20+
Years with Industry Leaders
2
Production Bases
50+
Countries Served

About WEJ

Shenzhen Yongerjia Industry Co., Ltd. is a high-tech enterprise specializing in the research, development, manufacturing, and sales of semiconductor discrete devices — including SMD LED, DIP LED, CHIP LED, Diodes, and Transistors.

With 27 years of deep industry involvement, we operate two advanced production bases in Shenzhen and Shandong, guided by customer needs and supported by comprehensive OEM and ODM services. Our solutions are trusted across new energy, lighting, power tools, home appliances, communication equipment, robotics, automotive systems, consumer electronics, industrial automation, and military applications.

ISO 9001 & IATF16949 Certified
RoHS & REACH Compliant
Global Export to Europe, Americas, Asia, Africa, Middle East
Factory Interior Production Line Quality Control Packaging

Our Products

High-performance semiconductor discrete devices engineered for reliability, efficiency, and long-term durability across diverse industrial and consumer applications.

SMD LED

SMD LED

Surface Mount Device LEDs for compact, high-efficiency lighting solutions in PCBs and modern electronics.

  • • 0603, 0805, 1206, 2835, 3528, 5050 Packages
  • • High Luminous Efficiency
  • • Low Power Consumption
  • • RoHS Compliant
DIP LED

DIP LED

Dual In-line Package LEDs ideal for through-hole mounting in signage, indicators, and industrial panels.

  • • 3mm, 5mm, 8mm, 10mm Sizes
  • • High Brightness & Visibility
  • • Wide Viewing Angle
  • • Long Lifespan (>100,000 hrs)
CHIP LED

CHIP LED

Ultra-miniature chip LEDs for space-constrained applications in mobile devices and wearables.

  • • 0402, 0603, 1005 Miniaturized Sizes
  • • High Reliability
  • • Low Thermal Resistance
  • • Suitable for Automated Assembly
Schottky Diodes

Schottky Diodes

Low forward voltage and fast switching for power rectification and energy efficiency.

  • • Low Vf (0.2V–0.5V)
  • • High Surge Current Capability
  • • SOD-123, SOD-323, SMA Packages
  • • Ideal for SMPS & Solar Applications
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Zener Diodes

Precision voltage regulation for protection and stabilization in electronic circuits.

  • • 2.4V to 75V Zener Voltage Range
  • • Tight Tolerance Options
  • • SOD-123, SOD-323, DO-35
  • • ESD Protection & Voltage Clamping
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General Purpose Diodes

Versatile rectifier diodes for AC/DC conversion and signal demodulation.

  • • 1N4148, 1N4007 Equivalents
  • • High Reverse Voltage (up to 1000V)
  • • Fast Recovery Time
  • • Through-hole & SMD Options
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NPN/PNP Transistors

Bipolar junction transistors for switching and amplification in analog and digital circuits.

  • • SOT-23, SOT-323, TO-92 Packages
  • • High hFE Gain
  • • Low Saturation Voltage
  • • Compatible with Microcontrollers
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MOSFETs

Power MOSFETs for high-efficiency switching in power supplies, motor drives, and battery systems.

  • • Low Rds(on) for Efficiency
  • • High Current Handling
  • • SOT-23, SOT-223, DPAK Packages
  • • AEC-Q101 Qualified (Automotive)

Why Choose WEJ?

Certified Quality

ISO 9001, IATF16949, RoHS, and REACH certified. Every product undergoes rigorous testing for reliability and compliance.

OEM/ODM Support

Customized solutions tailored to your specifications. From design to mass production, we support your innovation.

Global Reach

Products exported to Europe, Americas, Asia, Africa, and the Middle East. Trusted by industry leaders for over 20 years.

Frequently Asked Questions

What types of LEDs do you manufacture?

We produce SMD LEDs (0603, 0805, 2835, etc.), DIP LEDs (3mm, 5mm), and ultra-compact CHIP LEDs (0402, 0603) for diverse applications.

Are your products RoHS compliant?

Yes, all WEJ products meet RoHS and REACH environmental standards, ensuring safe and sustainable manufacturing.

Do you offer OEM/ODM services?

Yes, we provide full OEM and ODM support, including custom packaging, branding, and technical collaboration.

What certifications do you hold?

We are certified under ISO 9001, IATF16949 (automotive), RoHS, and REACH, ensuring quality across all production stages.

Where are your factories located?

We operate two manufacturing bases in Shenzhen and Shandong, China, enabling scalable and efficient production.

Get in Touch

For inquiries, technical support, or partnership opportunities, visit our official website to contact us directly.

Email: serve@yongerjia.com

Phone: 86-0755-29785600

Address: Yongerjia Industry Park, Yulv 6th Industrial Zone, Genyu Road, Guangming District, Shenzhen, China

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