OEM Gas Leak Alarm Supplier & Factory

Global Leadership in Gas Safety: Company Profile

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.

Chengdu Factory & Office

Deyang Factory & R&D Hub

Uncompromising Quality & Technical Strength

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.

20+

Years Experience

50+

Patents & Copyrights

10M+

Detectors Deployed

CNAS

ISO/IEC 17025 Certified

Supply Chain Resilience & Global Procurement Synergy

In the highly critical field of life safety systems, OEM gas leak alarm sourcing demands far more than competitive pricing. Global enterprise buyers require structural reliability, technology customization, and regulatory alignment. By locating our manufacturing across strategically integrated industrial clusters in Chengdu and Deyang, Xinhaosi leverages the complete supply chain ecosystem of Western China to deliver significant economic and technical advantages.

Vertical Integration & Control

Unlike assembly-only factories, our manufacturing spans the entire product lifecycle—from surface mount technology (SMT) on printed circuit boards to custom plastic injection molding, automated testing, and gas calibration. This internal control guarantees consistent quality across large-scale runs, allowing us to maintain predictable lead times even during global logistics bottlenecks.

Customized OEM/ODM Protocols

Global gas infrastructure depends on modern communications. We support key protocols for industrial integration, including RS485 (Modbus RTU), 4-20mA analog loops, and wireless IoT standards (LoRaWAN, NB-IoT, Zigbee). Our software engineering team coordinates directly with client IT teams to align with SCADA and proprietary building management platforms.

Traceable Lab Calibration

Operating a CNAS-accredited laboratory means our testing is recognized globally through the ILAC-MRA framework. Each gas leak alarm undergoes strict calibration with certified reference gases under controlled humidity and temperature. This ensures compliance with EN 50194, UL 1484, and related international standards.

Information Gain Insight: The reliability of a gas detector depends on the longevity and stability of its sensor element. Xinhaosi incorporates advanced temperature compensation algorithms directly into our microcontroller units (MCUs), preventing false alarms caused by typical ambient fluctuations in kitchens or industrial plants.

Local Application Scenarios & Compliance Frameworks

Gas leak detectors operate in diverse environmental conditions worldwide. We design custom solutions tailored to the regulatory mandates and specific installation scenarios of different regional markets.

Residential Kitchens (LPG/NG)

Primary Gases: Methane (Natural Gas) & Propane/Butane (LPG).

Operational Focus: Residential environments demand high aesthetic integration, low power consumption, and reliable false-alarm immunity from cooking oils and humidity. Our household series features linked output ports to trigger emergency solenoid valves, instantly shutting off the gas supply during a leak event.

Industrial & Petrochemical Plants

Primary Gases: Toxic gases, VOCs, Hydrogen, and Flammable Vapors.

Operational Focus: Harsh industrial environments require explosion-proof cast aluminum housings, ATEX/IECEx certifications, and ingress protection (IP66/IP67). Our detectors offer field-replaceable hot-swappable sensor elements, minimizing maintenance downtime in remote locations.

Municipal Utility Shafts & Pipelines

Primary Gases: Oxygen depletion, Methane accumulation, Carbon Monoxide.

Operational Focus: Confined spaces and underground networks demand low-power, battery-operated, or solar-compatible telemetry. Our municipal pipeline solutions leverage low-frequency wireless systems to report status changes to central monitoring offices.

Target Market	Regulatory Standards	Core Product Design Focus
European Union	EN 50194, CE, ATEX, SIL2	Interoperability, low-voltage control systems, RoHS green material conformity.
North America	UL 1484, FM Approvals, CSA	Fixed wiring options, line voltage compliance, integration with fire systems.
Asia-Pacific	GB 15322, CPA, CCS (Marine)	Wide voltage tolerance, high relative humidity resistance, multi-point bus wiring systems.

Two Decades of Continuous Safety Innovation

A manufacturer's history is the foundation of its engineering expertise. Our timeline shows our development from local manufacturing into a highly specialized technology provider.

2003 - 2008: Startup & Foundation

Established on April 17th, 2003.
Launched the 1st generation of gas leak alarm and fire fighting products.
Pioneered foundational quality control procedures.

2009 - 2012: Scaling Operations & Solenoid Integration

Began production of gas safety valves, creating integrated shut-off systems.
Expanded global B2B OEM business lines to serve international brands.
Relocated to a dedicated office facility within the Longtan Industrial Park.

2013 - 2016: Industrial Scaling & Network Development

Achieved a cumulative sales milestone of 10 million units for gas detectors.
Moved to our modernized Chengdu manufacturing factory.
Built a comprehensive domestic service network and launched fire power monitoring systems.

2017 - 2020: IoT & Brand Recognition

Launched our proprietary, self-developed IoT cloud gas safety platform.
Introduced intelligent evacuation and fire automatic alarm systems.
Obtained the official National High-Tech Enterprise Certificate.
Became a qualified official supplier to China's top 5 gas delivery groups.

2021 - 2023: Specialization & Infrastructure Investment

Began construction of the new, automated Deyang manufacturing facility.
Established the dedicated Petrochemical & International Business Division.
Officially awarded the title of Sichuan Provincial Technology Center.

2024 & Beyond: Next-Generation IoT and AI Integration

Deyang automated manufacturing complex completed and put into service.
Launched the urban gas pipeline network monitoring product series.
Introduced next-generation wireless safety sensors and AI-assisted safety valves.

Industry Technical Report: Global Gas Detection Trends

1. The Transition to Multi-Sensor Fusion

Modern building safety requires gas detectors that can distinguish between environmental hazards and benign ambient gases. Traditional single-sensor alarms are susceptible to cross-sensitivity. Industrial plants are shifting toward multi-sensor designs that combine electrochemical cell arrays with infrared (NDIR) sensors to verify gas levels before triggering alarms.

2. Edge Intelligence and Smart Self-Diagnostics

In municipal utility networks, physical checks can be costly. Modern gas detection designs incorporate edge processing capabilities. Detectors run continuous diagnostic routines to monitor sensor drift, internal resistance, and response times, reporting status updates to cloud SCADA systems. This shift from reactive maintenance to predictive scheduling can reduce operating expenses by over 30%.

3. Direct Hardware Safety Interlocking

Relying solely on visual or audible alarms is often insufficient for modern safety standards. Contemporary commercial designs integrate safety loops directly into building infrastructures. When a gas leak is detected, the alarm controller triggers an immediate electrical signal to close the main solenoid valve and activate localized mechanical ventilation, mitigating risk before personnel are exposed.

B2B Procurement & Technical FAQ

What sensor technologies are used in Xinhaosi gas detectors?

We source and utilize high-quality sensor components matching specific application requirements. This includes catalytic combustion sensors for combustible gases, electrochemical sensors for oxygen and carbon monoxide, non-dispersive infrared (NDIR) sensors for carbon dioxide or hydrocarbons, and semiconductor sensors for low-cost household applications.

How does your factory handle custom OEM/ODM requests?

Our OEM/ODM services are vertically integrated. We provide customized casing designs, enclosure branding, modified software protocols, and specialized output relay options. Our R&D team can develop custom hardware and circuit layouts to meet your local building code and electrical requirements.

What certification reports are provided for custom production batches?

Every shipment includes quality control records traceable to our CNAS-accredited calibration laboratory. We can supply CE certificates, SIL conformity declarations, explosion-proof documentation, and factory batch testing logs.

What is the typical lifespan and maintenance cycle of these detectors?

For residential sensors, our devices offer an operating lifespan of 3 to 5 years, with built-in end-of-life alerts. For industrial detectors, typical sensor lifespans range from 2 to 5 years depending on the target gas. We recommend performing verification and calibration every 6 to 12 months using certified standard reference gases.

What is your typical production capacity and lead time?

With our newly commissioned automated manufacturing facility in Deyang, our annual production capacity exceeds 10 million units. Standard OEM configurations can typically be processed and shipped within 4 to 6 weeks, depending on order size and custom certification requirements.