China Wanlin – Your UL Certified Factory for Smoke Detectors & Fire Safety Devices

Are you a global distributor, importer, or sourcing agent searching for a reliable manufacturer of UL listed smoke detectors?

You have found your partner.

China Wanlin is a professional manufacturer of home fire alarm equipment and smart fire safety systems. We design, develop, and mass-produce UL listed smoke detectors, UL standard smoke alarms, UL approved photoelectric smoke sensors, UL certified fire testers, and UL compliant smoke detection devices.

We are now actively seeking global local partners, overseas agents, and export trading companies to join our international distribution network. Whether you are a cross-border trader, an importer, or a project contractor, we are ready to support you with factory-direct pricing and complete export solutions.

Why UL Certification Matters for Smoke Detectors

UL (Underwriters Laboratories) is the gold standard for fire safety product certification in North America and many global markets. UL certification means:

• Rigorous testing – Products must pass strict performance and safety tests

• Regular factory inspections – UL conducts unannounced audits of manufacturing facilities

• Market access – Required for sales in the United States, Canada, and many other regions

• Buyer confidence – UL mark is trusted by specifiers, contractors, and end users

When you source from China Wanlin, you get genuine UL certified products that meet the strict requirements of the North American market -2.

Why Choose China Wanlin as Your UL Smoke Detector Manufacturer?

1. True Manufacturer – Full Control Over Quality & Cost

We design, mold, assemble, test, and calibrate every smoke detector in our own factory. No middlemen. No trading companies. No hidden markups. You get the best factory-direct pricing and full supply chain transparency.

2. UL Certified Products – North American Market Ready

Our smoke detectors are UL certified to the latest standards, including UL 217 (Standard for Smoke Alarms) and UL 268 (Standard for Smoke Detectors for Fire Alarm Systems). These standards require:

• Single Button Test/Silence – One-button functionality for test and hush

• Reduced Nuisance Alarms – Advanced algorithms to prevent false alarms from cooking or steam

• Temporal 3 Sound Pattern – Standardized evacuation signal

• Self-Diagnostics – Continuous monitoring of sensor performance

• End-of-Life Notification – Alerts when device needs replacement

Your customers get the same quality and compliance as leading US brands – at factory-direct prices.

3. Complete UL Compliant Product Portfolio

Product Category	UL Standard	Description
UL Listed Smoke Detector	UL 268	Addressable and conventional smoke detectors for fire alarm systems
UL Standard Smoke Alarm	UL 217	Standalone smoke alarms for residential use, 10-year battery options
UL Approved Photoelectric Smoke Sensor	UL 217 / UL 268	Advanced photoelectric sensing technology with low false alarm rate
UL Certified Fire Tester	UL 217 / UL 268	Test equipment and accessories for fire alarm system verification
UL Compliant Smoke Detection Device	UL 217 / UL 268	Multi-sensor detectors (smoke + heat + CO combinations)

4. Complete Export Solutions for North American & Global Markets

Beyond individual devices, we provide full smoke detector export packages – perfect for partners supplying projects in the US, Canada, and other UL-recognized regions. We support:

• UL compliance documentation

• System design and configuration consultation

• English user manuals and labeling

• Additional certifications: CE, EN14604, RoHS, AS3786 -6

5. OEM / ODM Ready

Want to sell under your own brand? We offer full OEM/ODM services:

• Private labeling (your logo on devices and packaging)

• Custom enclosure colors

• Custom packaging and retail-ready displays

• Tailored user manuals in English or other languages

Our UL Smoke Detector Product Line – Detailed Overview

UL Listed Smoke Detectors (UL 268) – for Fire Alarm Systems

Model Type	Key Features	Applications
Conventional Photoelectric Smoke Detector	2-wire / 4-wire options, LED status indicator, remote LED output	Small to medium commercial buildings
Addressable Photoelectric Smoke Detector	Loop-powered, addressable communication, drift compensation, dirty detector alert	Large commercial buildings, hotels, hospitals
Multi-Sensor Detector (Smoke + Heat)	Combines photoelectric smoke and thermistor heat sensing, algorithm-based decision making	Areas prone to false alarms

Technical Specifications:

• Operating voltage: 24 VDC (nominal)

• Standby current: < 50μA (addressable) / < 100μA (conventional)

• Alarm current: < 5mA (LED on)

• Sensitivity: Meets UL 268 requirements

• Operating temperature: -10°C to +50°C

• Humidity range: 0% to 95% RH (non-condensing)

UL Standard Smoke Alarms (UL 217) – Residential Use

Model Type	Key Features	Power Source
Battery-Operated Smoke Alarm	Photoelectric sensor, single button test/silence, low battery warning, end-of-life signal	9V battery or 10-year sealed lithium battery
Hardwired Smoke Alarm with Battery Backup	Interconnectable (up to 12 units), 120V AC with sealed lithium battery backup	120V AC + 10-year backup battery
Wireless Interconnect Smoke Alarm	RF wireless interconnection (up to 50 units), easy retrofit installation	Battery or hardwired

Technical Specifications:

• Loudness: 85dB at 10 feet (temporal 3 pattern)

• LED indicators: Red for alarm, green for power

• Silence feature: Temporarily silences nuisance alarms

• End-of-life: 10 years from manufacture date

UL Approved Photoelectric Smoke Sensors

Our photoelectric smoke sensors use advanced optical chamber technology to detect slow-smoldering fires faster than ionization sensors -3. Features include:

• Optimized optical chamber design – Maximizes smoke entry while reducing false alarms from dust and insects

• Automatic drift compensation – Maintains sensitivity over time

• Dust compensation – Reduces false alarms from environmental contamination

• Self-diagnostics – Continuous monitoring of sensor health

• Replaceable optical chamber – Easy maintenance and longer product life

UL Compliant Smoke Detection Devices – Additional Options

• Combination Smoke & Carbon Monoxide Alarm – UL 217 + UL 2034 certified

• Combination Smoke & Heat Detector – UL 268 + UL 521 certified

• Duct Smoke Detector – UL 268A certified for HVAC applications

• Beam Smoke Detector – UL 268 certified for large open spaces

Who We Are Looking For – Global Trade Partners

We welcome the following partners worldwide, especially those targeting the North American market:

• Distributors / Resellers – Stock and support our UL certified smoke detectors in your region

• Cross-border trading companies & sourcing agents – Add UL listed fire safety products to your export catalog

• System integrators – Incorporate our UL compliant detectors into your fire alarm system solutions

• OEM/ODM buyers – Launch your own UL certified smoke alarm brand

• Export trading companies – Expand your safety and security product portfolio

• Project contractors – Bulk supply for residential and commercial fire safety projects

No matter your market size or location – we treat every partner with equal respect and dedicated support.

Partnership Benefits

Factory-direct pricing – No middleman markups

• Low MOQ – Test the market with small initial orders (as low as 500 units for OEM) -10

• Fast sample support – Evaluate quality before committing

• UL documentation ready – Certificates, installation instructions, technical data sheets

• Dedicated export support – We understand the needs of international buyers

• Monthly capacity 500,000+ units – Reliable supply for large orders -6

• 99%+ factory test pass rate – Consistent quality you can trust

Our UL Certification & Quality Commitment

UL Certification Details

Our smoke detectors are UL certified to the following standards:

Standard	Scope
UL 217	Standard for Smoke Alarms (residential standalone units)
UL 268	Standard for Smoke Detectors for Fire Alarm Systems (system components)
UL 2034	Standard for Carbon Monoxide Alarms (for combo units)
UL 521	Standard for Heat Detectors (for smoke/heat combo units)

Quality Assurance Process

Every UL certified smoke detector from China Wanlin undergoes:

• 100% functional testing – Every unit is powered and tested before packaging

• Sensitivity calibration – Photoelectric sensor calibration verified

• Smoke chamber testing – Tested with calibrated smoke source

• Audible alarm test – Volume and sound pattern verified

• UL-style quality system – Consistent with UL's factory inspection requirements -2

Additional Certifications Available

Beyond UL, we also provide products certified to:

• CE / EN14604 – European residential smoke alarm standard

• EN54 – European fire detection system standard

• RoHS – Environmental compliance

• AS3786 – Australian standard

• ISO9001 – Quality management system

Custom R&D & Product Development Support

Need something beyond standard UL certified products? We support full custom development including:

• Custom housing design and colors

• Custom sensitivity settings

• Custom alarm sound patterns (volume, tone, pattern)

• Custom interconnectivity protocols

• Custom packaging and retail displays

• Private labeling and branding

• Multi-language documentation (English, French, Spanish, etc.)

Your concept. Our engineering. A UL compliant product ready for your market.

How to Start Your Partnership with China Wanlin

Step 1: Email us your market background and product interests
Step 2: Receive complete product catalog, UL certificates, and pricing references
Step 3: Select samples for testing and evaluation
Step 4: Place trial order to verify quality and logistics
Step 5: Scale up with recurring orders and distribution agreement

Contact Us – Start Your Global Partnership Today

We are ready to answer your technical and commercial questions within 24 hours.

• Email: wanlinfirecontrol@163.com

• Export Service Hotline (Phone / WhatsApp / WeChat): +86 13261677119

• Official Website: www.wanlinfire.com