Explore our premium product selections direct from the industrial OEM processing factory, built for reliability and precision safety control.
Methane (CH4) is a primary component of natural gas and a highly potent greenhouse gas with a global warming potential (GWP) more than 28 times greater than carbon dioxide over a 100-year timescale. Across the global industrial landscape—encompassing petrochemical refining, municipal wastewater management, smart city gas distributions, and deep shaft mining—accurate detection of methane leakages is not just an environmental obligation; it is a critical mandate for life safety, asset protection, and operational compliance.
As a leading OEM methane gas sensor supplier, we recognize the technical challenges engineering teams face when integrating gas detection modules into their legacy systems. Our state-of-the-art manufacturing processes are engineered to deliver unmatched stability, rapid T90 response times, and resilience against target gas cross-sensitivity. By supplying top-tier methane sensors directly to equipment manufacturers and systems integrators globally, we enable safer work environments and contribute actively to decarbonization initiatives.
Different industrial environments pose unique physical constraints. A sensor that performs exceptionally in a clean domestic kitchen may fail in a highly humid subterranean mine shaft. Our OEM pipeline offers multiple sensor technologies tailored to specific application footprints.
NDIR sensors utilize infrared absorption characteristics of gas molecules. Featuring dual-wavelength detection, they offer unmatched long-term stability, fail-safe performance, and require zero oxygen to operate. Extremely resistant to sensor poisoning.
Highly cost-effective for LEL range measurements (0-100% LEL). Operates through high-precision temperature measurements during catalytic oxidation of combustible gas. Ideal for simple, robust leak protection applications.
Tunable Diode Laser Absorption Spectroscopy. Ideal for long-distance, non-contact open path telemetry and trace-level ppb detection. High selectivity prevents false alarms triggered by ambient volatile organic compounds.
| Feature Specification | NDIR Sensor Technology | Catalytic Combustive | Laser Spectroscopy (TDLAS) |
|---|---|---|---|
| Target Gas Concentration | 0 - 100% Vol / LEL | 0 - 100% LEL | 0 - 100,000 ppm-m / Trace levels |
| Lifespan Expectancy | > 7 Years | 3 to 5 Years | > 10 Years |
| Poisoning Vulnerability | Immune | High susceptibility to Silicones/H2S | Immune |
| Oxygen Required? | No | Yes (minimum 10% Vol) | No |
| Typical Applications | Petrochemical, Landfill, Biogas monitoring | Residential detectors, general industry | Open path pipeline, smart city safety |
Founded in 2003, Xinhaosi is one of the most influential and reliable brands in the gas safety industry. We provide customer-focused products and services to safeguard the safe operation of every factory, the comfort of every city, the peace and happiness of every home. Powered by cutting-edge production systems and technology, we deliver more advanced, intuitive, and precise gas safety solutions for shaping a safer future world.
We utilize advanced electronic detection technology to make unknown gas leak risks clear and visible. Our core value centers on full-chain integration, end-to-end solutions for total safety, and comprehensive protection to secure modern infrastructures from potential disasters.


We work closely with localized gas safety teams across major markets to deploy tailored monitoring protocols. Our sensor modules integrate seamlessly into diverse mechanical and digital architecture frameworks:
Embedded inside smart monitoring nodes along municipal gas pipelines, detecting micro-leaks in urban environments before they escalate into high-threat incidents. Supports Low-Power WAN integration.
Designed for coal mines, utility tunnels, and car parks. Featuring flameproof enclosure designs (Ex d) to prevent spark ignition. Optimized for high-humidity conditions with integrated heating structures.
Ensuring indoor air safety and HVAC efficiency. Deployed in boiler rooms, commercial kitchens, and building corridors to provide real-time Modbus alerts and auto-trigger shut-off valves.
Our centralized manufacturing facilities in China leverage localized micro-electronic supply networks, guaranteeing stable access to high-grade semiconductors, optical components, and precision sensor casings. By employing vertical integration—from raw material sourcing and automated SMT assembly to robotic calibration and environmental stress chambers—we buffer clients against global geopolitical shifts and logistics disruption.
Quality assurance is embedded in each production step: every sensor core undergoes automated multi-point thermal compensation calibration, followed by high-level gas sensitivity validation tests. By optimizing raw yield and production cycles, we deliver cost efficiencies that translate directly into competitive pricing and margins for our international partners.
We work in collaboration with world-class engineering firms and utility organizations to deploy methane detection safety systems globally.












Keep track of technological releases, cross-border development events, and trade collaborations in the international safety community.
Our engineering division has officially rolled out the Handheld Uncooled Infrared Gas Leak Detector, blending dual-technology infrared imaging with lightning-fast telemetry. Ideal for petrochemical sites and cold-chain monitoring.
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Xinhaosi engaged with major global buying agents, engineering teams, and supply chain partners at the Western China Cross-Border E-Commerce Expo, consolidating strategic paths for regional supply.
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Strengthening key ties in Southeast Asian markets, Xinhaosi presented next-gen methane safety sensors and automation accessories during the bilateral business match conference in Chengdu.
Read MoreOur current research and development are geared towards expanding integration options for the next era of industrial connectivity. By embedding low-power electronics directly into our OEM sensor chips, we prepare systems for seamless plug-and-play operation with LoRaWAN, NB-IoT, and 5G industrial networks. This enables predictive maintenance protocols where gas detectors alert administrators prior to failures.
Furthermore, we are actively improving the environmental resistance of our optical sensors. Utilizing state-of-the-art hydrophobic membranes and heated optical chambers, our next-generation NDIR sensors are built to withstand extreme condensation cycles without showing signs of sensor drift, ensuring minimal downtime and saving manual calibration costs.
Our heavy-duty gas monitoring equipment line, precision-engineered to operate inside Class I Div 1 hazard zones.
Discuss your mechanical and electrical application needs with our senior safety engineers today. Receive technical specifications, custom PCB sizing configurations, and wholesale price quotes.
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