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Premium Micro Switches from China

Unionwell – Trusted micro switch supplier since 2007. Over 150 patents, ISO & UL certified, 600+ employees. High-reliability miniature limit switches, waterproof micro switches, automotive and industrial solutions.

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2007

Founded

600+

Employees

150+

Patents

264M RMB

Annual Sales

About Unionwell

Huizhou Unionwell Sensing & Control Electronics Co., Ltd. is an SRDI (Specialized, Refinement, Differential, Innovation) “High-New Technology” enterprise based in Guangdong, China. Founded in 2007, we specialize in the research, development, and manufacturing of high-precision micro switches and control components.

Our product portfolio includes miniature limit switches, air pressure switches, mechanical keyboard switches, and waterproof micro switches used in automotive, industrial automation, home appliances, and consumer electronics.

ISO9001 IATF16949 ISO14001 UL Certified cUL Certified
Unionwell Factory

Our Hot Sale Products

High-performance micro switches engineered for reliability, durability, and precision across industries.

G5 Snap Action Micro Switch

G5 Snap Action Micro Switch

2Pins or 3 Pins SPDT

  • • High-speed snap action
  • • SPDT configuration
  • • Miniature design
  • • Long mechanical life
G19 Waterproof Seat Switch

G19 Waterproof Seat Adjustment Switch

40t85 15A 14VDC

  • • IP67 waterproof rating
  • • 15A current capacity
  • • Automotive grade
  • • Seat position control
G3 Waterproof Micro Switch

G3 Waterproof Micro Switch

12V DC, Sealed Design

  • • Compact sealed housing
  • • 12V DC operation
  • • Resistant to dust & moisture
  • • Ideal for harsh environments
G9P1 Sealed Waterproof Switch

G9P1 Sealed Waterproof Switch

G9P1-200E01W1-G250U

  • • Fully sealed construction
  • • IP68 rating available
  • • Long-term reliability
  • • Used in automatic systems
G9 Series DPDT Push Button

G9 Series DPDT Push Button

For Car Window Control

  • • DPDT switching function
  • • Automotive window systems
  • • High current handling
  • • Durable actuator design
G3 Subminiature Wired Switch

G3 Subminiature Wired Switch

For Automotive Applications

  • • Ultra-compact size
  • • Pre-wired for easy install
  • • High cycle endurance
  • • Used in vehicle interiors
Miniature Limit Switch

Miniature Limit Switch

Precision Position Detection

  • • Accurate actuation
  • • Low operating force
  • • Long service life
  • • Industrial automation use
Air Pressure Switch

Air Pressure Switch

For Pneumatic Systems

  • • Monitors air pressure
  • • Compact and reliable
  • • Adjustable set points
  • • Used in compressors & valves
Mechanical Keyboard Switch

Mechanical Keyboard Switch

Tactile & Clicky Options

  • • High durability (50M+ cycles)
  • • Tactile and linear variants
  • • Low actuation force
  • • Gaming & industrial keyboards
Heavy-Duty Micro Switch

Heavy-Duty Micro Switch

High Load Capacity

  • • Supports high current loads
  • • Reinforced housing
  • • Industrial machinery use
  • • Long-term stability
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Why Choose Unionwell?

Certified Quality

ISO9001, IATF16949, ISO14001, UL, and cUL certified. Every product meets international safety and reliability standards.

High Innovation

Over 150 product innovation patents. We continuously invest in R&D to deliver cutting-edge micro switch technology.

Global Support

Serving clients worldwide with fast response times, technical support, and customized solutions for OEMs and ODMs.

Trusted by Industry Leaders

2007

Year Founded

600+

Team Members

150+

Innovation Patents

264M

Annual Sales (RMB)

Frequently Asked Questions

What types of micro switches do you manufacture?

We produce a wide range including miniature limit switches, waterproof micro switches, snap-action switches, push-button switches, air pressure switches, and mechanical keyboard switches.

Are your products certified?

Yes, our company holds ISO9001, IATF16949, ISO14001, UL, and cUL certifications. All applicable products meet international safety and quality standards.

Can you provide custom solutions?

Absolutely. We offer OEM and ODM services with engineering support to customize switches based on your specifications and application needs.

What is the typical lead time?

Standard products: 2–4 weeks. Custom designs: 4–8 weeks depending on complexity. We maintain inventory for fast delivery on popular models.

Do you ship internationally?

Yes, we export globally with reliable logistics partners. We handle all documentation and compliance for smooth customs clearance.

Get in Touch

For quotations, technical support, or custom solutions, contact us today.

Phone: +86 13824215967

Email: [email protected]

Address: No. 9, Park Avenue, North Area, Huizhou Industrial Transfer Park, Longmen County, Huizhou City, Guangdong Province, China

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