About Us

China Wanlin – Your Global Partner for Combined Smoke and CO Detectors

Are you a distributor, system integrator, or sourcing agent looking for combined smoke and CO detectors or dual smoke-CO sensors?

China Wanlin is a true manufacturer of fire safety equipment. We design and produce smoke & carbon monoxide alarms, integrated smoke and CO testers, and multi-gas fire safety detectors with certifications including EN14604, EN50291, CE, and RoHS -6.

Demand for dual-sensor detectors has grown significantly as building codes tighten and consumer awareness increases -2-3. Whether you need budget-friendly standalone units or advanced smart detectors with IoT integration -2-8, we have you covered.

We are now inviting global partners, export trading companies, and OEM/ODM buyers to join our international network.

Why Choose China Wanlin?

1. True Manufacturer – Factory Direct

We design, assemble, and test every detector in our own factory. No middlemen. Factory-direct pricing. ISO 9001 certified with 15 R&D teams and annual capacity exceeding 5 million units -6-10.

2. Complete Combined Detector Product Line

Category	Products
Combined Smoke and CO Detector	2-in-1 photoelectric smoke + electrochemical CO sensor, battery-powered
Smoke & Carbon Monoxide Alarm	Dual-sensor with LCD display showing PPM levels, 85dB alarm
Dual Smoke-CO Sensor	Infrared photoelectric + electrochemical CO, EN14604 + EN50291 certified
Integrated Smoke and CO Tester	Self-test and manual test button with visual/audible indicators
Multi-Gas Fire Safety Detector	3-in-1 smoke + heat + CO models available for comprehensive protection

3. Key Features

• Dual sensor technology – Photoelectric smoke detection + electrochemical CO sensing

• EN14604 + EN50291 certified – Meets European smoke and CO standards -6

• UL217 + UL2034 compliant options – North American market ready -9

• 10-year sealed battery models – Maintenance-free for rental and residential use -2

• LCD display – Real-time CO concentration in PPM -7-9

• Tamper-resistant design – Locking feature prevents unauthorized removal -9

• Smart connectivity options – Wi-Fi and Tuya-enabled models available -8

4. Custom R&D + OEM/ODM

• Custom housing, colors, and branding

• Custom firmware and packaging design -2-3

• Private labeling – build your own brand

• Multi-language documentation -6

5. Factory Visit Program

• Round-trip flight reimbursement for qualified partners

• Free accommodation & meals during your stay

• Full factory tour: SMT lines, assembly, calibration labs, smoke test aging machines, CO testers -10

6. Compliance Ready

• EN 14604 – Smoke detector standard -9-10

• EN 50291 – Carbon monoxide detector standard -6-9

• UL 217 – Smoke alarm standard -9

• UL 2034 – CO alarm standard -9

• CE, RoHS – European compliance -6-10

Who We Are Looking For

• Fire safety distributors and resellers

• Smart home and building security integrators

• Retail and e-commerce suppliers

• Cross-border traders & sourcing agents

• OEM/ODM buyers

• Property and facility management companies

Every partner, every market – treated with equal respect.

Target Applications

• Residential homes – Bedrooms, living rooms, hallways

• Kitchens – Heat + CO combined protection

• Hotels and hospitality – Room-by-room safety

• Healthcare facilities – Hospitals, aged care

• Rental properties – 10-year battery, tamper-proof

• Smart homes – Wi-Fi connected with mobile alerts

Our Commitment

Win-win partnership. Quality assured. Service focused.

• 100% functional testing before shipping

• Product yield ≥99.5% -6

• 2-year warranty, lifetime maintenance -6

• Transparent pricing – no hidden fees

How to Start

Step 1: Email your market and product requirements
Step 2: Receive catalog, compliance documentation, and pricing
Step 3: Order samples for testing
Step 4: Schedule factory visit (flight + accommodation covered for qualified partners)
Step 5: Sign partnership agreement and place order

Contact Us

• Email: wanlinfirecontrol@163.com

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

• Website: www.wanlinfire.com