Explore our industrial-grade gas detector controllers, explosion-proof detectors, and integrated shut-off valves.
Chengdu Factory & Office
Deyang Factory
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.
A timeline of constant technological breakthroughs, growing international standards, and smart safety achievements.
How Xinhaosi Gas Detector Controllers solve high-stakes challenges across varied international industries.
In high-hazard environments, fugitive emissions of volatile organic compounds (VOCs) and combustible vapors pose severe explosion risks. Xinhaosi controller models, like the JB-TB-AT2020LH, integrate multiple explosion-proof gas detectors with emergency shut-off valves. This ensures real-time detection, automatic isolation, and safety interlocks that mitigate catastrophic fire incidents before they escalate.
For municipal gas companies serving metropolitan areas, pipe leakage is a critical threat. Our urban gas pipeline network monitoring systems collect data via remote gateways to identify minor drops in pressure and trace levels of methane gas. Integrating solenoid valves with pressure sensors prevents large-scale urban disruptions, ensuring safety in densely populated cities.
The rapid expansion of clean energy has introduced off-gas risks associated with Lithium-ion battery thermal runaway. Early-stage emissions of carbon monoxide (CO) and hydrogen (H2) must be intercepted immediately. Our multi-point monitoring systems detect these trace off-gases, triggering local containment protocols to prevent catastrophic fire spread inside battery racks.
Boiler facilities in universities, hospitals, and high-rise commercial structures require gas safety monitoring systems that comply with national fire codes. Our intelligent controllers interface with ventilation fans and shut-off valves, immediately venting toxic or explosive gas accumulations and guaranteeing occupancy safety.
Sterilization processes, fermentation rooms, and manufacturing plants run the risk of toxic gas leakage and oxygen displacement. High-precision oxygen and toxic gas detectors, paired with central controllers, guarantee ambient safety and ensure compliance with strict environmental health and safety regulations.
Spraying booths generate volatile paint thinner vapors and combustible compounds. These hazardous zones demand explosion-proof, multi-channel gas safety equipment that provides continuous feedback. If vapor concentrations reach 25% LEL, our systems activate exhaust loops and signal the main control room to prevent ignition incidents.
Investing in the future of AI-driven safety, low-power wireless nodes, and cloud diagnostics.
Real-time gas tracking via self-developed cloud platforms. Offers remote configuration, real-time push alerts, and detailed historical analytics to decrease system downtime by 30%.
AI safety valves with integrated flow-sensing technology. These valves diagnose anomalous drops in flow rate or line pressure, preventing secondary gas dispersion issues.
Low-power, multi-band wireless detection nodes utilizing LoRaWAN and NB-IoT. Designed for heavy industrial facilities where wiring is cost-prohibitive.
Edge-computing controllers equipped with machine learning algorithms. Predicts gas dispersion patterns using real-time local environmental sensors, allowing pre-emptive safety isolation.
Combining raw material integration, SMT automation, and strict quality control for global reliability.
"Our multi-tiered supply chain enables Xinhaosi to satisfy demanding volume requirements while maintaining consistent delivery timelines and premium safety quality."
Our Chengdu facility operates high-speed SMT assembly lines, automated optical inspection (AOI) rooms, and comprehensive safety chamber tests. It is optimized for short lead times and precise customization, catering to complex industrial OEM/ODM requests.
Spanning tens of thousands of square meters, the newly commissioned Deyang factory focuses on high-volume production of residential gas detectors and industrial solenoid valves, satisfying national and international demand with automated precision.
Equipped with an ISO/IEC 17025 CNAS-Accredited laboratory, we conduct strict environmental chamber, EMC, and calibration tests. Test reports issued by our lab are recognized internationally under the ILAC-MRA framework, streamlining global compliance audits.
Meeting international functional safety standards to protect personnel, assets, and operations.
Global regulatory bodies like OSHA, ATEX, and local fire associations mandate the installation of certified gas safety systems in commercial and industrial settings. Meeting these standards requires robust, highly reliable gas detector controllers that maintain operation under harsh, corrosive, or high-humidity environments.
Xinhaosi controllers are designed and tested to meet international standards, including CE, SIL, and national explosion-proof certifications. By utilizing Modbus RTU, 4-20mA analog signals, and digital bus architectures, our systems easily integrate into SCADA systems, distributed control systems (DCS), and building management networks.
This wide-ranging compatibility allows plant managers to coordinate gas safety with fire alarms, ventilation systems, and emergency shut-offs, reducing overall risk profile and optimizing insurance compliance.
Expert answers regarding gas detection system design, controller integration, and industrial safety compliance.
What is the difference between bus-type (networked) and point-to-point analog gas detector controllers?
Analog controllers use dedicated 4-20mA cables for each individual detector, which can lead to high wiring complexity in large installations. Bus-type (networked) controllers utilize a shared RS-485 Modbus or proprietary communication bus to daisy-chain dozens of detectors back to a single controller. Xinhaosi pioneered China's first networked bus-type monitoring system, significantly reducing wiring overhead while providing detailed device diagnostics.
Why is CNAS ISO/IEC 17025 accreditation important for gas safety equipment?
CNAS ISO/IEC 17025 accreditation demonstrates that a manufacturer's calibration and testing laboratory has proven technical competence and produces highly accurate, traceable data. Gas safety systems calibrated in a CNAS-accredited facility meet international compliance guidelines (under the ILAC-MRA framework), ensuring international acceptance and reliable device performance in demanding field applications.
How do gas detector controllers interact with emergency shut-off solenoid valves?
Upon detecting gas concentrations that exceed safety thresholds, the controller sends an electrical pulse to trigger the normally closed solenoid valves, instantly isolating the gas supply. Xinhaosi was a primary drafter of China's national standards for gas solenoid valves, ensuring our controllers and valves operate together seamlessly during critical hazard events.
What is the typical calibration interval for gas detector systems?
Most safety regulations recommend calibrating gas sensors every 6 to 12 months, depending on the operational environment and target gas. Harsh chemical environments may require more frequent testing to prevent sensor drift. Xinhaosi's graphical monitoring system monitors detector drift over time, notifying managers when maintenance or calibration is required to reduce sensor downtime.
Discover our industrial-grade components, household safety systems, and digital gateways.