High-Quality Solenoid And Valve Supplier & Manufacturer

Precision Flow Control, Smart Gas Safety, and IoT-Integrated Valve Technologies Engineered for Global Process Industries and Safe Gas Distribution Systems.

Global Industrial Status & Market Dynamics

Understanding the critical demand for safety-oriented solenoid and valve technologies in modern smart grids and petrochemical processes.

Ensuring Process Safety and Reliability

In the contemporary industrial landscape, the requirements for gas safety and fluid control have transitioned from basic mechanical systems to highly intelligent, interconnected solutions. As a leading Solenoid And Valve Supplier & Manufacturer, Chengdu Xinhaosi addresses the challenges of critical environments. From pipeline networks to high-risk petrochemical plants, fluid control systems must satisfy zero-leakage requirements, fail-safe mechanisms, and seamless integration with Industrial Internet of Things (IIoT) frameworks.

Global commercial and industrial operations now demand rapid emergency shutdown capabilities to prevent catastrophe, protect personnel, and comply with strict environmental emission limits. Solenoid valves act as final control elements in safety instrumented systems (SIS). Hence, our production focuses on safety integrity levels (SIL), electromagnetic efficiency, and materials engineering to resist corrosive and extreme temperature media.

Technical Strength Laboratory and Equipment testing
Chengdu Factory and Office Headquarters

China Factory 4.0: Supply Chain Resilience & Production Scale

The manufacturing capabilities at Xinhaosi represent the pinnacle of China’s Factory 4.0 revolution. Operation within our production bases in Chengdu and Deyang integrates intelligent robotics, automated assembly lines, and high-precision testing protocols. By combining digital management infrastructure with advanced CNC machining, we ensure every solenoid valve delivers consistent tolerances and actuation reliability.

Global procurement teams prioritize supply chain resilience. Geopolitical factors, logistics challenges, and raw material access require manufacturers to maintain complete control over their upstream and downstream operations. At Xinhaosi, our vertical integration strategy spans in-house metal forging, coil winding, plastic molding, and CNAS calibration. We secure raw material channels to guarantee stable, predictable lead times for critical industrial components, serving clients in Asia, Europe, and the Americas.

Meeting Global Enterprise Procurement Criteria

For multinational corporations and EPC engineering contractors, selecting a valve vendor goes beyond unit prices. Key compliance standards include:

  • International Safety Approvals: Strict adherence to CE, SIL-2/SIL-3, CPA, ATEX, and IECEx for hazardous environments.
  • Quality Traceability: Zero-defect performance under ISO 9001, backed by unique manufacturing serial IDs and material test certificates (MTR).
  • OEM/ODM Versatility: Flexibility in sizing, voltage requirements, customized terminal blocks, and explosion-proof coil variants.
  • Environmental Resistance: Valves tested to survive extreme ambient fluctuations, IP65/IP67 ingress ratings, and sour gas environments.
Deyang Advanced Manufacturing Plant Facility

20+

Years of Safety R&D Expertise

10M+

Annual Production Volume

50+

Patents & Software Copyrights

CNAS

Accredited Calibration Lab

Technological Evolution & Future Industry Trends

From simple passive valves to active, intelligent AI-enabled safety devices connected directly to industrial clouds.

IoT Integration & Wireless Mesh

Traditional solenoid valves were simple, binary execution elements. Today, real-time wireless feedback modules monitor coil temperature, response speed, and cycle counts, transmitting diagnostic parameters to centralized DCS platforms.

SIL-Certified Safety Interlocking

In high-pressure gas transportation and combustion processes, valves must actuate within fractions of a second during emergency power loss. SIL-2 and SIL-3 safety systems guarantee reliable operations when it counts.

Smart Diagnostics & AI Flow Monitoring

By blending mechanical movement sensors with dynamic pressure measurement, smart valves dynamically calculate inner flow volumes, preemptively warning operators of internal fluid bypass or minor seal wear.

About Chengdu Xinhaosi

A leading force in global safety systems, marrying intellectual innovation with rigorous validation processes.

Company Profile & Mission

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.

Technical Strength & 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 such as CE and 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.

Company History & Milestones

A history of development dedicated to innovation and safety, engineering trust since 2003.

Xinhaosi Startup Phase 2003 to 2008

2003 - 2008: Start Up

● Established in April 17th, 2003.

● Launched the 1st generation of gas leak alarm & fire fighting products.

Xinhaosi Initial Scale 2009 to 2012

2009 - 2012: Initial Scale

● Started gas safety valve production.

● Expanding on OEM business.

● Moved to the office building in Longtan industrial park.

Xinhaosi Rapid Growth 2013 to 2016

2013 - 2016: Rapid Growth

● 10 million pcs gas detector sales achieved.

● Moved into Chengdu factory building.

● Completed sales & service network across China.

● Launched the fire power monitoring system products.

Xinhaosi Leading Up 2017 to 2020

2017 - 2020: Leading Up

● Self-developed IoT platform launched.

● Launched fire automatic alarm, emergency lighting, and evacuation systems.

● Obtained high-tech enterprise certificate.

● Qualified official supplier of China’s top 5 gas suppliers.

Xinhaosi Steady Development 2021 to 2023

2021 - 2023: Steady Development

● Started Deyang factory construction.

● Established the Petrochemical & International business Division.

● Awarded the title of Sichuan Provincial Technology Center.

Xinhaosi Embrace the Future 2024 and beyond

2024 - Future: Embrace the Future

● Deyang factory construction completed and operation started.

● Launched urban gas pipeline network monitoring products.

● Launched wireless detection products and AI safety valve products.

Localized Application Scenarios

Adapting safety-grade valve systems to specific regional demands and industry regulations.

Urban Gas Networks & Municipal Pipelines

In densely populated metropolitan zones, sub-surface gas distribution pipelines present massive safety management challenges. Gas leaks can accumulate rapidly, creating high risks of combustion. Our gas solenoid valves and bus-type leakage monitoring systems work together to isolate pipeline segments automatically. If our sensors detect anomalous gas concentrations, the solenoid valve shuts off the supply upstream within seconds, eliminating manual delay.

Petrochemical and Hazardous Area Integration

Petrochemical plants demand explosion-proof containment for electrical components. Xinhaosi’s explosion-proof safety gas detectors and normally closed or normally open safety valves are built to withstand Class I, Div 1 environments. The electrical enclosures are robustly cast to prevent internal sparks from igniting surrounding flammable mixtures. They offer reliable service in gas storage fields, refineries, offshore oil rigs, and pharmaceutical production facilities.

Clean Energy Transition: Hydrogen & LNG Safety

As the energy sector moves toward hydrogen blending and liquefied natural gas (LNG), flow equipment must handle lighter, highly penetrative molecules. Standard seals deteriorate or experience micro-leakage when exposed to high-pressure hydrogen. Our research team has integrated specialized composite elastomer materials and metal-to-metal seating elements into our valve platforms, ensuring integrity and zero-leakage performance under modern green-energy conditions.

Residential and Commercial Safety Systems

For household kitchens, commercial dining facilities, and boilers, simple residential safety shut-off systems are vital. Our household gas detectors work with small-scale automatic shut-off valves. If a domestic stove valve fails or slow leaks happen, the controller shuts the main supply lines instantly, safeguarding lives and structures.

Expert Q&A: Solenoid and Valve Technologies

Get professional advice on valve selection, industrial safety regulations, and maintenance best practices.

What is the main difference between a pilot-operated and a direct-acting solenoid valve?
Direct-acting solenoid valves utilize the electromagnetic force of the coil to lift the valve plug directly. They are ideal for systems with zero differential pressure and lower flow rates. Pilot-operated valves, on the other hand, utilize the line pressure of the fluid itself to assist in opening or closing. They require a minimum pressure differential to function but can handle much larger orifices and higher pressures with relatively low power consumption.
How does SIL (Safety Integrity Level) certification impact industrial gas control systems?
SIL certification evaluates the probability of failure on demand (PFD) for safety components in safety instrumented systems. A valve with a SIL-2 rating indicates a high level of functional reliability, ensuring that if a hazardous gas leak occurs, the valve will shut off successfully. This meets the safety criteria required by global industrial insurers and regulatory bodies for high-risk chemical plants.
Why is material selection critical for solenoid valves handling natural gas or biogas?
Biogas and raw natural gas often contain trace moisture, carbon dioxide, and hydrogen sulfide (H2S), which can react with base metals. This sour gas environment can induce sulfide stress corrosion cracking in steel. Choosing materials like stainless steel (e.g., SS316) combined with fluoroelastomer (FKM/Viton) or PTFE seals ensures mechanical longevity, prevents elastomer hardening, and limits external gaseous emissions.
What does CNAS accreditation signify for Xinhaosi's testing laboratory?
CNAS (China National Accreditation Service) accreditation indicates that our laboratory operates in compliance with ISO/IEC 17025. This ensures that all calibration, precision measurements, and performance tests conducted on our solenoid valves are internationally traceable and verified, facilitating global compliance approval for imported components.