Explore our core engineering portfolio of shut-off solutions, gas sensing electronics, and system controllers built to dynamic global standards.
In modern hydrocarbon refinement, chemical distribution, and urban gas safety frameworks, the emergency shut-off valve (ESOV) serves as the ultimate barrier against catastrophic system failures. As a leading OEM shut off valves manufacturer & factories entity, we bridge the gap between heavy industrial mechanical integrity and smart IoT sensing architectures.
An industry-grade shut-off valve is not merely an actuator on a pipeline; it is a system of redundant, low-leakage mechanisms designed to withstand extreme environments. From high-pressure LNG distribution terminals to residential utility configurations, the reliability of a solenoid valve dictates the systemic resilience of the entire safety network. When an anomalous leak pattern is picked up by detector arrays, the shut-off valve must close instantaneously, isolating the hazard zone and preventing propagation.
Over two decades of dedication to engineering smart gas prevention, detection, and valve technology.
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.
Chengdu Factory & Office
Deyang Factory
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.
How our localized strategy and Chinese manufacturing efficiency empower international clients
By leveraging our production hubs in Chengdu and Deyang, we secure high-grade copper, premium solenoid coils, and certified structural steel within an optimized geographical perimeter. This guarantees shorter lead times, lower material variance, and competitive pricing for bulk OEM distributions.
Every product conforms to destination standards: CE for Europe, SIL certifications for high-integrity safety instrumented loops, and custom testing routines designed specifically for Middle Eastern, North American, and APAC gas distributors.
We deliver complete technical documentation, design schemes, API libraries for software integration, and localized field technician support models to make sure our OEM valves operate smoothly without operational downtime.
A timeline of innovation, growth, and leading accomplishments since 2003.
Established on April 17th, 2003. Launched our first-generation gas leakage alarm and fire-fighting safety systems, setting a benchmark for product reliability in local testing grounds.
Initiated dedicated production of high-performance gas safety valves. Expanded international and domestic OEM service pipelines, transitioning operations into a larger dedicated facility within Longtan Industrial Park.
Achieved record-breaking sales milestone of 10 million units of gas detectors. Relocated to our custom-built Chengdu factory, finalizing a vast, comprehensive service network across China. Launched specialized fire power monitoring units.
Developed and launched our in-house smart IoT Safety Monitoring Platform. Introduced integrated automatic fire alarm units and evacuation lighting setups. Ranked as a state-level High-Tech Enterprise and qualified as a tier-1 supplier for top state-level gas conglomerates.
Commenced construction on the Deyang smart manufacturing center. Formed the dedicated Petrochemical & International Business Division to customize OEM gas safety structures for the global pipeline market. Awarded the prestigious Sichuan Provincial Technology Center title.
Successfully completed and operated the automated Deyang production base. Introduced cutting-edge AI-enabled safety valve products, smart urban gas pipeline monitoring nodes, and modern wireless detection components to lead the global safety market.
The shift from legacy mechanical gas distribution networks to smart, interconnected infrastructure has reshaped the requirements of global utility networks. Solenoid valves are no longer isolated points of isolation; instead, they serve as the execution layer of complex automation control algorithms.
By integrating low-voltage controller modules and intelligent data gateways with solenoid drive components, modern safety systems are capable of running local diagnostic sweeps. A pressure drop detected at a downstream transmitter triggers localized decision logic, initiating shut-off routines without needing to communicate with remote cloud instances first. This minimizes latency and reduces risk in high-consequence petrochemical pipelines.
Solenoid valves with flow monitoring functionality record historical flow patterns, pressure profiles, and mechanical resistance values during opening and closing cycles. This data is structured and processed via integrated analytics engines, pinpointing mechanical wear and spring relaxation before a functional failure occurs. Predictive alert thresholds reduce field inspection costs by over 30%, keeping processing plants online and compliant with rigorous risk assessment matrices.
Find answers to critical technical questions regarding solenoid configuration, manufacturing compliance, and safety standards.
Integrate our safety sensors, pressure instrumentation, and gateway hubs to create a complete safety barrier.
