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Yanjen Industry (Hong Kong) CO., Limited is a trusted manufacturer of fire protection and security products based in Shenzhen, China. With over 10 years of expertise, we deliver reliable smoke detectors, gas leakage alarms, carbon monoxide sensors, and smart home safety systems worldwide.
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Yanjen Industry (Hong Kong) CO., Limited specializes in supplying high-quality fire protection and security products. Our product line includes smoke detectors, heat detectors, fire alarm control panels, gas leakage detectors, carbon monoxide detectors, and alarm sirens.
Located in Shenzhen, China — a city known for its advanced manufacturing and logistics infrastructure — we are committed to delivering world-class safety solutions with sincere dedication and technical excellence.
Discover our full range of fire and gas detection systems designed for residential, commercial, and industrial applications.
Battery-powered optical smoke detector with loud 85dB alarm. Ideal for homes and small offices.
Complete fire alarm system with control panel, smoke/heat detectors, and sirens for large buildings.
Detects natural gas (methane) and LPG leaks. Auto cut-off valve compatible.
Electrochemical CO sensor with digital display. Critical for homes with gas appliances.
Dual-sensor alarm detecting both smoke and carbon monoxide in one unit.
Fixed temperature and rate-of-rise heat detector for kitchens and garages.
High-power 105dB siren for fire and security alarm systems.
Wi-Fi enabled gateway for connecting detectors to mobile apps and smart home systems.
All Yanjen products undergo strict quality control and meet international safety standards including CE, RoHS, and ISO certifications.
Our dedicated research and development team ensures continuous innovation and customization options for OEM/ODM clients.
We provide comprehensive after-sale service, technical support, and product documentation through our Download Center.
Yes, our stand-alone smoke alarms, carbon monoxide detectors, and home gas leakage detectors are specifically designed for residential safety and comply with international residential safety standards.
Yes, Yanjen offers comprehensive OEM and ODM services. We can customize product design, packaging, labeling, and firmware according to your specifications.
Most Yanjen products come with a standard 2-year warranty. Some industrial systems may have extended warranty options available upon request.
Technical support is available via email and WhatsApp. Our Download Center also provides user manuals, installation guides, and technical specifications for all products.
Our operations are based in Shenzhen, China — a global hub for electronics manufacturing with excellent logistics and supply chain infrastructure.
For inquiries, quotations, or technical support, please contact us through the official website.
Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.
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