OEM On Off Valve Manufacturer & Factory

CNAS-Accredited Testing | Global Industrial Gas Control & Solenoid Shut-off Valve Solutions | Precision Safety Engineering Since 2003

Xinhaosi Chengdu Factory & Office

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.

2003
Established Year
50+
Patents & Copyrights
10M+
Units Produced Annually
CNAS
ISO/IEC 17025 Standard
Technical Strength & Calibration Lab

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.

Deyang Factory Facility

Intelligent Manufacturing Capabilities

With our modern production facility established in Deyang, we have scaled up our smart fabrication capabilities to meet global demands for OEM and ODM projects. The facility integrates automatic SMT lines, advanced assembly operations, robotic testing benches, and specialized pressure calibration systems. By pairing cutting-edge machinery with lean production principles, we guarantee every single batch of On-Off Solenoid Valves operates flawlessly under extreme temperatures, high pressure levels, and demanding hazardous atmospheres.

Whether you require minor adaptations on standard flow configurations or a ground-up customization of a complete gas monitoring and valve actuation package, Xinhaosi operates as a dedicated partner with a robust supply chain to fulfill high-volume global distribution requirements.

Global Industrial Landscape of On Off Valve Systems

How Modern Smart Infrastructure Demands Precise Shut-Off Systems in Hazardous Gas Environments.

Urban Gas Networks

As cities migrate toward smart grids, the need for automated gas shut-off valves integrated with IoT monitors rises exponentially. Real-time diagnostic systems are shifting the industry from reactive repairs to predictive network safety management.

Industrial Processing

In petrochemical plants, steel mills, and chemical synthesis units, solenoid-actuated on-off valves operate as the primary line of defense. High temperatures, corrosive vapors, and continuous operating cycles require highly durable, ATEX/SIL-rated hardware.

Safety & Hazard Control

When a gas detection system trips an alarm, physical containment must occur in milliseconds. A fail-safe on-off solenoid valve closes immediately, preventing gas migration and potential industrial explosions.

Global Corporate Procurement Demand Analysis

Addressing the core requirements of engineering procurement managers, industrial distributors, and utility operators.

Regulatory Compliance

Industrial clients require verifiable test data and global certifications (ATEX, CE, SIL-2, ISO9001). Our CNAS-accredited calibration laboratory directly supplies compliant documentation for international standards.

Operational Dependability

Valves must function continuously in harsh climates and remote corridors. Materials such as high-grade brass, cast iron, and anodized aluminum ensure that corrosion resistance is paired with physical durability.

OEM / ODM Capabilities

Standard off-the-shelf options rarely meet custom parameters. We support specific voltage demands, custom threads, pressure rating adaptations, and dual-signal integration to align with preexisting digital control rooms.

Macro-Industry Safety Solutions

Optimized architectures integrating gas detection with automatic flow mitigation.

Solenoid Control Networks & Gas Safety Integration

By pairing gas detection controllers like the JB-TB-AT2020SE with industrial gas solenoid shut-off valves, we deploy a seamless loop of detection and control. Once toxic or explosive gas thresholds are crossed, the control box triggers the solenoid valve's release mechanism, halting line pressure within seconds.

This closed-loop system is highly utilized in commercial kitchens, boiler rooms, and metropolitan gas pipelines where rapid localized isolation is crucial to prevent catastrophe. With our bus-type architecture, a single central hub can manage dozens of detectors and remote shut-off points simultaneously, generating real-time statuses for building management platforms.

Industrial Loop Protection

Continuous safety monitoring utilizing low-voltage control signals, explosion-proof housings, and fast-acting solenoid releases to secure high-pressure networks.

Technical Roadmap & Future Outlook

The progression of gas shut-off valves and leak containment from analog mechanics to smart, IoT-enabled safety infrastructure.

IoT & Remote Actuation

Integrating wireless communication protocols (NB-IoT, LoraWAN) directly into the valve actuator. Operators can check flow profiles, trigger testing routines, and execute line shuts from central control dashboards miles away.

AI Predictive Diagnostics

Embedded pressure and temperature micro-sensors record slight variations in valve movement speed. Built-in algorithms identify spring fatigue and seal wear, notifying managers of necessary maintenance before physical failure occurs.

Eco-friendly Low Power Designs

Next-generation solenoids utilize pulse-width modulation (PWM) and latching mechanics, consuming minimal energy during normal operation, and reducing the overhead footprint of localized backup power systems.

Global Safety Standards

Full testing protocols alignment: CE, SIL-2, CNAS ISO/IEC 17025 certification ensuring international regulatory acceptance.

Localization Support & Compliance Protocols

Navigating different national safety guidelines is a key challenge for global OEM procurement. Xinhaosi guarantees compliance by mapping valve materials and electrical components to the local requirements of the target market.

Our engineering support team coordinates drawing revisions, thread adapters (NPT, BSPT, Flanged), voltage parameters (24VDC, 110VAC, 220VAC), and hazardous area classifications (Ex d, Ex ia) to ensure smooth integration on site. Backed by extensive traceability documentation, our valves pass through rigorous regulatory audits without delay.

Company History & Milestones

Over two decades of dedication to industrial gas safety, manufacturing innovations, and technological milestones.

  • 2003 - 2008

    Start-Up & Initial R&D

    • Established on April 17th, 2003.
    • Launched the 1st generation of gas leak alarm and fire fighting products.
    • Focused on localized residential applications.
    Xinhaosi Start-up era
  • 2009 - 2012

    Initial Scale & Product Diversification

    • Started gas safety valve production line.
    • Expanded into OEM business for global safety brands.
    • Moved to corporate office in Longtan Industrial Park to host expanded engineering team.
    Longtan Industrial Park Office
  • 2013 - 2016

    Rapid Production Growth

    • Achieved landmark milestone of 10 million cumulative gas detector units sold.
    • Moved operations to the modernized Chengdu factory.
    • Completed a robust, nationwide sales & service network in China.
    • Launched advanced fire power monitoring system systems.
    Chengdu Factory Facilities
  • 2017 - 2020

    IoT Era & Industry Leadership

    • Launched our self-developed Gas Safety IoT Platform.
    • Developed fire automatic alarm, emergency lighting, and evacuation networks.
    • Obtained national High-Tech Enterprise Certificate.
    • Qualified as an official supplier to China’s top 5 gas suppliers.
    High Tech Enterprise operations
  • 2021 - 2023

    Expansion & Certification Leadership

    • Started construction of our advanced Deyang factory facility.
    • Established dedicated Petrochemical & International Business Division.
    • Awarded the title of Sichuan Provincial Technology Center.
    Deyang Facility under construction
  • 2024 — Future

    Embrace the Future of AI Safety

    • Deyang factory construction completed and operations started.
    • Launched urban gas pipeline network monitoring systems.
    • Introduced industrial wireless gas detection lines.
    • Launched AI-enabled safety valves featuring real-time diagnostic processors.
    Deyang Factory Operational

Technical Q&A - OEM Gas Valves & Detectors

Technical answers to key questions from procurement specialists and industrial safety engineers.

What is the typical response speed of an emergency gas shut-off valve?

Emergency gas solenoid shut-off valves, like our BT-XF5 series, are designed for rapid isolation. In the event of a high-concentration trigger or an electrical cut-off signal, the magnetic coil releases the mechanical valve stem, causing it to snap shut in under 1 to 2 seconds. This rapid reaction limits downstream gas migration.

What certifications support your OEM On-Off Valves?

Our production aligns with ISO9001 quality management, and products are certified under ATEX/SIL standards for international compatibility. Additionally, our in-house ISO/IEC 17025 CNAS accredited laboratory ensures that every valve batch receives traceable calibration certificates, enabling smooth installation in demanding safety sectors.

How does an emergency shut-off valve handle electrical power failure?

Our industrial valves operate on a "Normally Closed" (NC) safety principle or manual-reset electromagnetic trip mechanisms. In the event of power loss, the valve goes into a fail-safe mode, cutting off the gas line flow automatically. Power is only consumed during the holding period or in specific transient operations to ensure safety during power outages.

Can you provide custom housing configurations and threads for OEM client orders?

Yes. As an established factory, we support customized dimensions, including thread standards like NPT, BSPT, or custom flanged formats. We also provide customized anodization colors, brand labeling, custom cable lengths, and specific explosive environment ratings to suit diverse international applications.