The evolution of the 3 Gas Solenoid Valve goes beyond simple mechanical cut-off mechanisms. Our research focuses on integrating smart optical and electromagnetic sensors directly into the valve body. This enables real-time leakage detection, coil temperature monitoring, and cycle frequency tracking. Predictive maintenance algorithms detect wear on internal components, sending telemetry data to control panels prior to any mechanical degradation.
By optimizing the electromagnetic flux of the copper coils and implementing bistable latching architectures, our next-generation valves minimize energy use. With only a milli-second current pulse required to alter the state (open/close), these units are ideal for solar-powered distribution substations, battery-operated remote meters, and safety networks operating under strict environmental carbon limits.
Industrial applications demand adaptability. Our technology path guarantees absolute compatibility across the "3 Gas" families: Natural Gas (Methane), Liquefied Petroleum Gas (Propane/Butane), and manufactured Coal Gas. By adopting advanced fluorocarbon (FKM/Viton) and hydrogen-ready Nitrile (NBR) rubber seals, our valves resist chemical deterioration and function perfectly under pressure spikes.
Xinhaosi designs and manufactures valves that act as critical components in industrial process control. By matching the correct valve to each specific application, we protect valuable physical assets and human life in complex, high-risk environments.
In refining and transport infrastructures, high-pressure networks require valves with immediate closing action. Our heavy-duty gas solenoid valves shut off flow in under one second during overpressure or seismic events, isolating fuel loops and containing hazards.
For large-scale kitchens, manufacturing furnaces, and metallurgical smelting plants, our gas control systems manage gas feeds safely. Integrated with carbon monoxide and combustible gas monitors, the system halts operations automatically if ambient gas thresholds are breached.
Our residential and urban line monitoring networks utilize smart pressure gauges and low-pressure solenoid valves. This ensures that in the event of pipeline corrosion or damage from construction, gas supplies are cut off instantly, protecting residential complexes.
Years of R&D Experience
National Patents & Certifications
Reduced Equipment Failure Rates
Annual Units Manufactured
Our manufacturing strategy is built on two highly optimized facilities. The Chengdu Headquarters acts as our R&D hub and central testing lab. The newly constructed Deyang Production Base scale-up incorporates automated assembly lines and digital quality management platforms, assuring high precision for large-volume OEM production runs.
We use ERP and MES software to monitor and control every step of production. From primary wire-winding and valve body forging to the injection molding of moisture-proof coils, every production batch is logged. This end-to-end traceability satisfies the demanding documentation requirements of global gas distribution companies and chemical utilities.
Through close integration with domestic steel, copper, and polymer suppliers, we mitigate raw material supply disruptions. Our structured supply chain ensures stable pricing, reliable manufacturing schedules, and rapid container shipments from China's central logistics hubs.
Chengdu Factory & Office
Deyang Factory Base
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.
International industrial buyers demand rigorous compliance. Our products meet these requirements with:
● Established in April 17th, 2003.
● Launched the 1st generation of gas leak alarm & fire fighting products.
● Started gas safety valve production.
● Expanding on OEM business.
● Moved to the office building in Longtan industrial park.
● 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.
● 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.
● Started Deyang factory construction.
● Established the Petrochemical & International business Division.
● Awarded the title of Sichuan Provincial Technology Center.
● Deyang factory construction completed and operation started.
● Launched urban gas pipeline network monitoring products.
● Launched wireless detection products.
● Launched AI safety valve products.
