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Electronics Manufacturing

Trusted Electronic Components & PCB Solutions

Shenzhen QZ Industrial Co., Ltd. offers high-quality ICs, diodes, transistors, modules, and one-stop BOM, PCB & PCBA services since 2006. Serving global markets with fast delivery, competitive pricing, and long-term warranty.

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QZ Industrial Facility

About QZ Industrial

Founded in 2006, Shenzhen QZ Industrial Co., Ltd. is a leading manufacturer and trader of electronic components, specializing in integrated circuits, diodes, transistors, PCB shield covers, and push-button switches. With over 19 years of industry experience, we deliver reliable, high-performance solutions to clients across Europe, North America, the Middle East, South America, and Southeast Asia.

We provide comprehensive electronic solutions and support one-stop BOM (Bill of Materials), PCB, and PCBA (SMT) services. Our commitment to quality, fast delivery, and excellent customer service has made us a trusted partner in the global electronics supply chain.

  • 19+ Years of Industry Expertise
  • One-Stop BOM & PCBA Service
  • Global Distribution Network
  • ISO & SQM Quality Standards

Our Product Range

Integrated Circuits

Integrated Circuits (ICs)

Comprehensive range including MCU, Memory, Power Management, Analog, Sensor, and Interface ICs from trusted brands.

  • • Power ICs & Regulators
  • • Amplifier & Audio ICs
  • • Logic & Converter ICs
  • • Sensor & Encoder ICs
Diodes

Diodes

High-reliability diodes for power, protection, and signal applications.

  • • Zener & Schottky Diodes
  • • TVS & ESD Protection
  • • Rectifier & Power Diodes
  • • LED & PN Junction Diodes
Transistors

Transistors

Wide selection of transistors for switching, amplification, and power control.

  • • MOSFETs & IGBTs
  • • SCR & Darlington Pairs
  • • High-Frequency Transistors
  • • Digital Triodes
Modules

Modules & Development Boards

Ready-to-use modules including IGBT, PCB, and relay modules for rapid prototyping and production.

  • • IGBT Power Modules
  • • Relay & Sensor Modules
  • • Development & Evaluation Boards
  • • Custom PCB Modules
Capacitors

Capacitors & Passives

High-quality MLCCs, resistors, inductors, and crystal oscillators for stable circuit performance.

  • • MLCC & Electrolytic Capacitors
  • • Precision Resistors
  • • Inductors & Chokes
  • • Crystal & Oscillator Units
Connectors & Switches

Switches & Connectors

Durable switches and connectors for industrial, automotive, and consumer electronics.

  • • Tact, Toggle & Rocker Switches
  • • Metal Push Button Switches
  • • PCB & Wire Connectors
  • • Indicator Lights & LCDs
Sensors & Relays

Sensors & Relays

Reliable sensing and switching components for automation, smart home, and industrial control.

  • • Temperature & Motion Sensors
  • • Optical & Magnetic Sensors
  • • Electromechanical Relays
  • • Solid-State Relays
PCB & PCBA Services

PCB & PCBA Services

Full turnkey solutions from BOM sourcing to SMT assembly, testing, and delivery.

  • • BOM Analysis & Sourcing
  • • SMT & Through-Hole Assembly
  • • Functional Testing
  • • Fast Turnaround & DFM Support

Application Solutions

Smart Home Control

Integrated solution using NXP MPC5744P for vehicle domain controllers and smart home automation systems.

1KW Car Charging

High-efficiency 1KW car charging solution with digital power factor correction for stable power delivery.

Solar PV Charging Board

Low-power solar photovoltaic charging control board based on ST LM2904 for energy-efficient applications.

100W Notebook Adapter

NXP TEA2016-based PFC + LLC resonant converter for high-efficiency 100W notebook power adapters.

DC Motor Control

High and low-side DC motor body electronics applications with precision driver ICs and MOSFETs.

Wireless & Bluetooth

Compact RF and Bluetooth modules for IoT, mobile, and wireless communication applications.

Radar & Sensing

High-frequency transistor and sensor-based radar systems for automotive and industrial use.

Audio & Amplification

High-fidelity audio ICs and amplifier circuits for consumer and professional audio equipment.

Medical Diagnosis

Precision sensor and analog IC solutions for medical diagnosis and treatment devices.

Support & Quality Assurance

At QZ Industrial, we ensure every component and service meets the highest standards. Our SQM (Supplier Quality Management) system guarantees reliability, traceability, and compliance.

BOM & Sourcing

Full BOM analysis, component sourcing, and lifecycle management.

PCB & PCBA

Turnkey PCB assembly with SMT, testing, and quality control.

Quality Control

Rigorous inspection, testing, and customer feedback integration.

Fast Delivery

Efficient logistics and global shipping for on-time delivery.

Quality Control Lab
19+
Years Experience
5000+
Components
60+
Global Clients
100%
Quality Tested

Get in Touch

For inquiries, quotes, or technical support, reach out to us directly.

Contact Information

  • Email: [email protected]
  • Phone: +86-755-83288129
  • Address: 3988 SEG Plaza, Huaqiang North Street, Futian District, Shenzhen 518031, China
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