OEM Solenoid Solenoid Valve Manufacturers & Factories

Precision Engineering, Global Safety Certifications, and Industry-Leading Flow Control Systems for Smart Gas Distribution & Industrial Safety Networks

Featured Safety Solutions

Gas Detectors, Monitors & Control Systems

OEM China XF2 Series Household Gas Solenoid Valve

OEM China XF2 Series Household Gas Solenoid Valve

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GTYQ-AT0505 Explosion Proof Combustible Gas Detector

GTYQ-AT0505 Explosion Proof Combustible Gas Detector

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JB-TB-AT2020SEL Gas Detector Controller

JB-TB-AT2020SEL Gas Detector Controller

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JB-MK-AT2041/4G Interlock Control Box

JB-MK-AT2041/4G Interlock Control Box

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JT-AT2004B Household Combustible Gas Detector

JT-AT2004B Household Combustible Gas Detector

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GTQ-XP4000 Explosion Proof Combustible Gas Detector

GTQ-XP4000 Explosion Proof Combustible Gas Detector

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IFD2020 Dual IR-UV Flame Detector

IFD2020 Dual IR-UV Flame Detector

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JT-AT2008 Series Household Combustible Gas Detector

JT-AT2008 Series Household Combustible Gas Detector

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About Xinhaosi

A Leading Force in Global Gas Safety & Flow Control

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.

Xinhaosi Chengdu Factory & Office Area

Chengdu Factory & Office

Xinhaosi Deyang Factory Manufacturing Plant

Deyang Factory

R&D Lab and Safety Testing Equipment
Technical Strength

ISO9001 Compliance & CNAS Laboratory Certification

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.

Industry 4.0 Smart Manufacturing

China Factory 4.0: Unmatched Supply Chain Resilience & Production Efficiency

As a premier OEM solenoid valve manufacturer and factory, Xinhaosi operates advanced production facilities spanning our Chengdu and Deyang locations. By implementing Industry 4.0 design standards, we have integrated intelligent robotics, fully automated assembly lines, and cloud-driven manufacturing execution systems (MES). This state-of-the-art infrastructure enables us to achieve high-volume capacity without sacrificing precision.

Precision CNC Machining

Multi-axis automatic machining centers guarantee body tolerances within ±0.01mm, ensuring tight metal-to-metal sealing surfaces and preventing micro-leakage in gaseous environments.

Automated Coil Winding

Our computer-controlled winding systems ensure consistent electromagnetic flux in solenoid coils, optimizing power consumption and reducing thermal load during continuous operation.

Dual-Stage Leak Detection

Every safety valve undergoes both mass spectrometer helium leak testing and air pressure drop testing. Zero defects leave our manufacturing line.

Agile ERP System

By connecting raw material suppliers to our active production schedule, we mitigate supply chain disruptions and offer stable lead times for high-volume orders.

Supply Chain Efficiency Highlights:

By standardizing key solenoid assemblies, our factory maintains a production readiness time of less than 15 days for customized OEM orders. Our localization of primary component supply chains prevents disruption from international logistics friction.

Industry Applications

Macro-Industry Solutions & System Integration

Modern industrial safety demands more than isolated hardware. Achieving fail-safe performance requires a holistic approach where sensors, control boxes, and actuators communicate in real time. Xinhaosi provides comprehensive packages customized for diverse industrial sectors:

Sector / Vertical Common Hazards & Challenges Integrated System Configuration Primary Valve Architecture
Petrochemical & Refining Combustible gas leaks (methane, propane), high corrosion, explosive dust zones. GTQ-XP4000 Gas Detectors linked to JB-TB-AT2020F Control Box and Emergency Shut-Off Valves. Flameproof (Ex d) stainless steel solenoid valves with high pressure ratings.
Municipal Gas Distribution Low pressure drop requirements, outdoor installation weathering, seismic risks. Urban pipeline flow pressure monitors paired with automated shut-off solenoid networks. Cast iron / Aluminum alloy high-flow valves with manual reset triggers.
Industrial Process Plants Continuous operations, complex interlocking safety barriers, furnace fuel monitoring. IFD2020 Flame Detectors combined with AT0421X input devices and safety interlocks. Fast-acting direct lift solenoid valves with Class F insulation and high frequency capability.
Residential Safety Cost sensitivity, aesthetic constraints, low power consumption, simple installation. XF2 Household Gas Valves connected directly to JT-AT2008 Gas Alarms. Low-pressure pulse-driven brass valves requiring manual push-up resets.
Global Procurement

Meeting the Complex OEM/ODM Demands of Global Enterprises

International buyers require precision engineering tailored to regional regulations. As a dedicated OEM/ODM manufacturer, Xinhaosi supports complete configuration customization across a variety of parameters:

  • Material Specifications: Choice of brass, nickel-plated brass, aluminum, and AISI 304/316 stainless steel to match media corrosiveness.
  • Sealing Compounds: High-performance elastomer seals including NBR for standard gaseous fuels, Viton (FKM) for high-temperature and chemical exposure, and EPDM for steam applications.
  • Coil Customization: Protection ratings spanning IP65, IP67, and IP68, along with explosion-proof classifications such as Ex d IIC T6 Gb for hazardous processing sites.
  • Electrical Adaptability: Coils wound to match various control systems including 12VDC, 24VDC, 110VAC, and 220VAC, alongside bistable/latching coil solutions for low power consumption.

Engineering Customizations Flow

Our engineering team collaborates with client designers from initial flow modeling to physical validation:

  1. CFD Fluid Analysis: We simulate internal valve flow paths to minimize turbulence and optimize Kv flow coefficients.
  2. Rapid Prototyping: Utilizing in-house metal 3D printing and precision machining to produce working samples in days.
  3. Performance Stress Testing: Cycle lifetime testing (up to 1,000,000 actuations) under simulated field temperatures.
  4. Traceable Documentation: Supply of material mill test reports, hydrostatic testing certificates, and electrical isolation test documentation.
Innovation & Future Strategy

Technical Roadmap & Future Outlook

As global energy grids pivot toward decarbonization and digitalisation, flow control components must adapt to new chemical compositions and digital environments. Xinhaosi's R&D is targeted at addressing these transitions:

Hydrogen Compatibility

Developing specialized valve bodies and seal elastomers to prevent hydrogen embrittlement and micro-leakage in blended gas infrastructures.

IoT Smart Diagnostic Coils

Integrating current sensors and temperature transducers into the coil body to enable telemetry feedback, highlighting impending failures before they happen.

Ultra-Low Power Bistable Valves

Optimizing magnetic latching technology to allow valves to retain states without continuous current draws, perfect for solar-powered remote stations.

Regulatory Compliance

Local Compliance & Global Certification Framework

Deploying gas safety systems requires strict adherence to localized safety codes. Working with Xinhaosi guarantees that products comply with major global frameworks:

Explosion-Proof Systems: Certified under ATEX directives for European installations and IECEx for global harmonized zone classifications.

Safety Integrity Levels (SIL): Select solenoid valves and controller interfaces have achieved SIL-2 and SIL-3 certifications, confirming calculated failure rates fit critical system shut-down loops.

European Directives (CE): Compliance with Low Voltage, Electromagnetic Compatibility (EMC), and Pressure Equipment Directives (PED).

Risk Management for Distributors

By utilizing our CNAS-accredited calibration laboratory, we provide fully traceable test documents for every batch, reducing the liability footprint for importers and distribution networks in North America, Europe, and Southeast Asia.

Our Timeline

Two Decades of Evolution & Milestones

2003-2008: Start Up

● Established on April 17th, 2003.
● Launched the 1st generation of gas leak alarm & fire fighting products.

First generation gas safety products

2009-2012: Initial Scale Achievement

● Started gas safety valve production.
● Expanded OEM business partnerships.
● Moved to the new office building in Longtan industrial park.

Longtan Industrial Park Office & Factory Expansion

2013-2016: Rapid Growth

● 10 million pcs gas detector sales achieved.
● Moved into Chengdu factory building.
● Completed nationwide sales & service network across China.
● Launched fire power monitoring system products.

Chengdu Production Facility

2017-2020: Leading Up

● Self-developed IoT platform launched.
● Launched fire automatic alarm, emergency lighting, and evacuation systems.
● Obtained high-tech enterprise certificate.
● Qualified as an official supplier of China’s top 5 gas companies.

IoT Cloud Platform Launch

2021-2023: Steady Development

● Started Deyang factory construction.
● Established the Petrochemical & International Business Division.
● Awarded the title of Sichuan Provincial Technology Center.

Deyang Factory Construction Phase

2024—Future: Embrace the Future

● Deyang factory construction completed and operation started.
● Launched urban gas pipeline network monitoring products.
● Launched wireless detection products.
● Launched AI safety valve products.

AI Safety Valve Innovation
Frequently Asked Questions

Deep-Dive B2B Technical Q&A

Q1: What parameters should be defined when ordering an OEM solenoid valve?
For custom manufacturing, you must define: 1. Media composition (e.g., natural gas, biogas, LPG, air). 2. Operational pressure range (minimum and maximum operating pressure differential). 3. Flow coefficient (Kv/Cv rating) or port sizing. 4. Electrical connection type and voltage configurations (e.g., 24VDC, 220VAC). 5. Enclosure protection requirements (IP rating and Ex hazardous area certifications).
Q2: What is the main difference between pilot-operated and direct-acting solenoid valves?
Direct-acting valves rely solely on the electromagnetic force of the coil to lift the seal plunger. They can operate from 0 bar pressure upward but require larger coils for high pressures. Pilot-operated valves utilize the pressure differential of the system media to help actuate the main diaphragm/piston. They require a minimum pressure drop (typically 0.3 to 0.5 bar) to work properly but can control high flow rates with low power input.
Q3: Why are latching (bistable) solenoid valves preferred for gas safety networks?
Latching valves only draw electrical current during state transitions (opening or closing). Once actuated, a permanent magnet holds the plunger in place. This makes them ideal for battery-operated safety nodes or remote solar monitoring installations, as they consume no energy while idling.
Q4: What certifications does Xinhaosi offer for international B2B orders?
We hold international certifications including CE (LVD, EMC, PED) and SIL (Safety Integrity Level) ratings. Our manufacturing plants operate strictly under ISO 9001, and our testing operations are certified by CNAS (China National Accreditation Service) in alignment with ISO/IEC 17025.
Extended Product Catalog

Industrial Integration & Safety Control Accessories

GT-AT0637 Wireless Smart Pressure Monitor

GT-AT0637 Wireless Smart Pressure Monitor

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AT2032X Low Voltage Power Box

AT2032X Low Voltage Power Box

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JT-AT3068 Series Household Combustible Gas Detector

JT-AT3068 Series Household Combustible Gas Detector

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JB-TB-AT2020F Gas Detector Controller

JB-TB-AT2020F Gas Detector Controller

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AT0421X Input Device from China Suppliers

AT0421X Input Device from China Suppliers

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JT-AT2004A / JY-AT2004A Household Gas Detector

JT-AT2004A / JY-AT2004A Household Gas Detector

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XP4000P Explosion Proof Gas Detector

XP4000P Explosion Proof Oxygen Toxic VOC Gas Detector

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JT-AT2009 Series Household Combustible Gas Detector

JT-AT2009 Series Household Combustible Gas Detector

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