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Factory and industrial safety equipment

Precision Electroacoustic & Safety Solutions

Trusted manufacturer of electric bells, fire alarms, warning lights, traffic signs, and industrial safety systems since 1993.

20+
Years of Production Experience

Founded in 1993, we bring over two decades of expertise in electroacoustic and safety product manufacturing.

30+
Product Categories

From fire alarms to traffic cones, our diverse portfolio meets a wide range of industrial and public safety needs.

100+
Global Sales Areas

Our products are trusted across continents, serving clients in police, education, transportation, and construction sectors.

Precision CNC machining of industrial components

About CNC CDS

Yueqing Great Wall Electroacoustics Factory

Established in 1993, Yueqing Great Wall Electroacoustics Factory is a professional manufacturer specializing in electroacoustic and safety signaling equipment. With over 17 years of export experience, we have built a strong reputation for delivering high-quality, reliable products to clients worldwide.

Our product line includes electric bells, fire alarm systems, warning lights, traffic signs, retractable safety cones, doorbells, and more. These are widely used in police departments, schools, factories, traffic systems, research institutions, and public infrastructure projects.

Quality Assurance

We fully comply with ISO 9001 quality management standards. Every product undergoes strict performance testing to ensure durability, reliability, and compliance with international safety regulations.

OEM & Customization

We welcome OEM projects and offer customization services to meet specific client requirements. Whether it's branding, design, or functional adaptation, our team supports your unique needs.

Our Products

High-quality electroacoustic and safety equipment for industrial and public use

Electric Bell

Electric Bell

Durable and loud signaling device ideal for schools, offices, and factories. Designed for continuous operation with low maintenance.

  • • High sound output (85dB+)
  • • Metal housing for durability
  • • 24V/110V/220V options
  • • IP54 rated for dust and moisture resistance
In Stock
Fire Alarm Bell

Fire Alarm Bell

Critical component of fire safety systems, designed to provide loud, clear alerts during emergencies in commercial and industrial buildings.

  • • 90dB sound level
  • • Compatible with manual call points
  • • Red powder-coated finish
  • • 24V DC operation
Fire Safety
Warning Light

Warning Light

High-visibility warning beacon made from durable resin with parabolic mirror for long-distance visibility. Ideal for construction and railways.

  • • IP55 rated (rainproof & dustproof)
  • • Seismic incandescent bulb
  • • Red/Amber/Blue options
  • • 12V–220V input range
Industrial Use
Retractable Safety Cone

Retractable Safety Cone

Telescopic road cone for temporary traffic control. Compact when stored, extends to full height with reflective strip for night visibility.

  • • 15"–36" height options
  • • Reflective strip included
  • • Weather-resistant PVC
  • • Stackable design
Traffic Safety
Manual Call Point

Manual Call Point

Break-glass emergency station for activating fire alarm systems. Durable polycarbonate housing with clear instructions.

  • • IP65 rated
  • • Red with breakable element
  • • Surface or flush mount
  • • Compatible with most fire panels
Fire System
Smoke Detector

Smoke Detector

Early warning smoke sensing unit for fire alarm systems. Reliable detection with self-test function and low power consumption.

  • • Photoelectric sensor
  • • LED status indicator
  • • 12–24V DC operation
  • • Ceiling mount design
Smart Safety
Door Bell

Door Bell

Indoor signaling device for homes and offices. Simple push-button operation with clear chime sound.

  • • 8 melody options
  • • Wireless or wired versions
  • • Weatherproof outdoor button
  • • 220V AC / Battery powered
Residential
Electric Horn

Electric Horn

High-decibel warning horn for industrial environments, factories, and emergency systems. Robust design for continuous use.

  • • 105dB+ output
  • • Metal diaphragm
  • • 24V/110V/220V options
  • • IP54 protection
Heavy Duty

Why Choose CNC CDS

Reliability, quality, and innovation in every product

ISO 9001 Certified

We adhere to international quality standards to ensure every product meets rigorous performance and safety benchmarks.

OEM & Customization

We support OEM projects and offer tailored solutions including branding, voltage specs, and mechanical adaptations.

Global Export Experience

With over 17 years of export history, our products are trusted in more than 100 sales regions worldwide.

Dedicated Service

We provide first-class customer support and after-sales service to ensure your complete satisfaction.

Latest News

Industry insights and company updates

April 19, 2021

Fire Alarm Bell Can Be Matched With Manual Alarm Button

The fire alarm can be paired with the manual alarm button to form an emergency alert system for workshops and management areas.

April 5, 2021

How to Maintain the Warning Light

Regular inspection and cleaning of the lens and housing ensure optimal performance and longevity of the warning light system.

April 19, 2021

Can the Lampshade Be Replaced?

Yes, the lampshade on our warning lights is designed for easy replacement to minimize downtime during maintenance.

Get in Touch

Reach out for product inquiries, customization, or partnership opportunities

Email

ccds8@163.com

Phone

86-577-62688366

Located in Yueqing, Zhejiang, China — we serve clients across the globe with reliable shipping and responsive support.

Visit Official Website to Contact

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