Explore our state-of-the-art gas detectors, control systems, and isolation solutions engineered under strict safety frameworks.
An authoritative analysis of standard methodologies, risk parameters, and the rise of smart gas safety infrastructure.
In the contemporary global landscape, industrial safety standards and environmental regulations have transitioned from optional compliance structures to strict legal directives. The detection of natural gas (principally comprised of Methane, CH4) represents one of the most vital layers of security across heavy manufacturing, energy distribution, and residential complexes. Methane is highly flammable with a Lower Explosive Limit (LEL) of approximately 5.0% by volume in air. Without continuous, micro-level atmospheric screening, invisible gas accumulation can trigger major industrial fires, devastating explosions, and severe toxic exposure incidents.
With environmental organizations focusing heavily on greenhouse gas (GHG) reductions, natural gas detector manufacturers have faced demands to transition from simple threshold alarms to advanced, highly responsive analytical devices. Modern facilities must utilize combustible gas monitoring technologies capable of identifying trace leaks long before they reach explosive threshold ranges. Integrating industrial gas detection controllers with ultra-fast shut-off solenoid valves represents the gold standard in physical security, offering automated isolation of leak sources without requiring manual operator intervention.
Engineered solutions for challenging global industrial and domestic environments.
Refineries and extraction platforms are characterized by harsh conditions, corrosives, and volatile compound emissions. We supply explosion-proof detectors equipped with specialized junction boxes to prevent electrical ignitions in hazardous Class I, Div 1 & Zone 1 zones.
Municipal distribution requires robust telemetry and intelligent gateway integration. By pairing GTYQ-AT detectors with the FDG-X304 Intelligent Data Gateway, municipal utilities monitor deep pipeline systems in real-time, receiving predictive notifications before anomalies happen.
Residential natural gas hazards are managed with our JT-AT2006 and JT-AT2009 Series household combustible gas alarms. These devices connect directly to domestic emergency shutdown solenoid valves, instantly blocking the fuel supply if a leak is detected.
Founded in 2003, Xinhaosi is one of the most influential and trusted brands in the global gas safety industry. Over the past two decades, we have steadily built a robust and comprehensive production and service system, which integrates cutting-edge R&D, intelligent manufacturing with advanced automation equipment, digital marketing across global channels, professional after-sales support with an experienced technician team, flexible OEM/ODM services, as well as CNAS-Accredited laboratory calibration services that meet international standards.
Our diversified product portfolio covers industrial & residential gas detection & alarm systems, industrial & household gas solenoid valves, and urban gas pipeline network monitoring systems—all engineered to adapt to complex working environments and strict safety requirements. We produce and sell tens of millions of units annually, catering to a wide range of industries that demand reliable gas detection solutions, including oil & gas exploration and production, petrochemicals, urban gas distribution, automotive manufacturing, pharmaceuticals, new energy, steel production, and beverage processing.
Guided by the core mission of “Making Gas Safety Accessible Everywhere,” we consistently deliver high-performance, reliable products and customized solutions tailored to each client’s unique needs. Every item we manufacture undergoes rigorous quality control tests, and every service we provide is backed by our professional technical team, fully embodying our unwavering commitment to safeguarding gas safety across both industrial workplaces and residential environments, and striving to build a safer world with sustainable gas safety technologies.
Adhering to ISO9001 quality management system standards, Xinhaosi's core products have obtained a full range of authoritative certifications, including national compulsory Products Certification, explosion-proof certification, fire product certification, CPA measurement instrument type approval certificate, and international approvals as CE, SIL. Additionally, Xinhaosi holds honors such as "National Quality Integrity Benchmark Enterprise" , "National Quality Leading Enterprise in the Gas Alarm Industry," member of the China Fire Protection Association, and the main drafting organization for the national standard of solenoid valves, further confirming its industry influence and reputation.
In the field of intellectual property, Xinhaosi has built a robust innovation system with over 50 patents and software copyrights . These patents cover core technological areas, including a graphical monitoring system for gas detection and alarm, which enables predictive maintenance based on historical data to reduce equipment failure rates by over 30%, and a solenoid valve with flow monitoring functionality that integrates flow detection and alarm capabilities . The company also pioneered China's first networked bus-type gas leakage monitoring system and the only maximum-point gas leakage monitoring system certified by the Ministry of Public Security, demonstrating its leading position in cutting-edge technological research.
Our in-house laboratory is accredited by the China National Accreditation Service for Conformity Assessment (CNAS), recognized both domestically and internationally under the ILAC-MRA framework. It operates in accordance with ISO/IEC 17025, the international standard for testing and calibration laboratories. It provides reliable and traceable testing services for gas detection and alarm products, solenoid valves, and related safety equipment. Test reports issued by the CNAS-accredited laboratory are widely accepted by regulatory authorities, certification bodies, and customers in China and overseas, helping to ensure product quality, safety compliance, and market access.
Over two decades of continuous innovation in combustion engineering and environmental monitoring systems.
● Established on April 17th, 2003.
● Launched the 1st generation of gas leak alarm & fire fighting products.
● Started gas safety valve production.
● Expanded OEM business capabilities.
● Relocated office and operations to Longtan Industrial Park.
● Achieved milestone of 10 million units in cumulative gas detector sales.
● Moved into dedicated Chengdu factory building.
● Completed nationwide sales & service networks across China.
● Launched high-precision fire power monitoring systems.
● Launched self-developed IoT safety monitoring platform.
● Rolled out automatic fire alarms, emergency lighting, and evacuation systems.
● Obtained state-level High-Tech Enterprise Certificate.
● Qualified as official supplier for China's top 5 gas groups.
● Began construction of Deyang Factory.
● Established specialized Petrochemical & International Business Divisions.
● Honored as Sichuan Provincial Technology Center.
● Deyang factory construction completed and operations started.
● Launched urban gas pipeline network monitoring products.
● Developed wireless detection systems.
● Introduced AI-enabled safety valve products.
Navigating complex international certifications for seamless market access and high reliability.
Deploying gas safety systems globally requires meeting rigorous regional standards. Our engineering team ensures all systems comply with international standards including ATEX and IECEx for explosion safety, CE mark requirements, and Safety Integrity Levels (SIL2/SIL3) for functional safety in safety-instrumented networks.
As a leading natural gas detector factory, we support global distributors and system integrators with comprehensive OEM and ODM solutions. Our CNAS-accredited calibration laboratories issue certificates recognized under the ILAC-MRA framework, streamlining local compliance checks and safety audits for our partners.
Essential insights from our senior safety engineering team regarding sensor selection, maintenance, and compliance.
Catalytic Bead Sensors detect combustible gases through catalytic oxidation. When combustible gas contacts the active bead, it burns, altering the resistance of the internal platinum wire. This cost-effective method detects a wide range of hydrocarbon gases. However, it requires oxygen to operate and is susceptible to sensor poisoning from silicones or sulfur compounds.
Non-Dispersive Infrared (NDIR) Sensors measure target gas concentrations by detecting infrared absorption at specific gas-specific wavelengths. NDIR technology is immune to chemical poisoning, operates reliably in oxygen-free environments, and offers long-term stability with minimal calibration drift, making it suitable for hazardous petrochemical applications.
This rating defines the environment where the detector can safely operate without triggering an explosion:
Upon detecting gas concentrations exceeding safety limits (such as 10% LEL), the gas detector controller activates a relay output. This sends a low-voltage electrical pulse to the safety solenoid valve (e.g., the KT-XF5 series), triggering it to close within milliseconds and stop the gas leak. The valve remains mechanically locked closed until manually reset, ensuring the area is inspected before restoring gas service.
Under typical conditions, industrial detectors should be calibrated every six months, with quarterly bump testing recommended in harsh environments. Routine testing ensures accurate sensor response and offsets signal drift caused by environmental cycling.
SIL (Safety Integrity Level) certifications assess functional safety. A SIL-2 rating indicates a high probability of correct operation on demand, helping facilities reduce risk to acceptable levels and meet insurance and safety requirements.
Ensure comprehensive facility protection with our controllers, domestic alarms, and intelligent IoT gateways.
