High-precision detection, control gateway interfaces, and advanced industrial solenoid configurations manufactured for robust performance.
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.
Chengdu Manufacturing Facility & Corporate Office
State-of-the-Art Deyang Smart Manufacturing Base
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 is recognized as 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.
Why global industrial giants leverage Chengdu and Deyang manufacturing capabilities for critical gas shutdown valves.
Our 2-inch gas solenoid valves feature bodies cast from high-tensile engineering alloys, machined to tolerances within micrometers. Utilizing advanced sealing materials such as NBR, Viton, or FKM, these valves guarantee zero leakage even at low-pressure operations. Our automated assembly lines ensure consistent tensioning of internal springs, rendering each valve highly responsive.
From smelting raw aluminum and copper to winding explosion-proof electromagnetic coils, our production facilities in Sichuan utilize a fully consolidated domestic supply chain. This proximity to raw materials reduces shipping latency, stabilizes production costs, and guarantees that customized orders can transition from blueprint to production rapidly.
While maintaining cost-effectiveness, our valves comply with global quality and safety benchmarks. With active CE certification, SIL 2/3 alignment, Ex d IIC T6 Gb explosion-proof grading, and CNAS calibration capability, our products flow seamlessly into projects across Europe, South America, the Middle East, and Southeast Asia.
How modern IoT integration and clean energy transitions are reshaping safety valve architecture.
Solenoid valves are no longer isolated mechanical components. The integration of IoT gateways (such as our FDG-X304) allows real-time current, coil temperature, and actuation speed monitoring. By processing this telemetry through intelligent algorithms, municipal and industrial gas networks can detect mechanical degradation beforehand, preventing catastrophic shut-ins.
As the global energy mix transitions to hydrogen blending, standard gas valves fail due to hydrogen embrittlement. Xinhaosi is actively researching specialized metallurgical coatings and seal chemistries capable of resisting the micro-diffusion of hydrogen gas, positioning our factories as prime partners for hydrogen blending stations.
For off-grid pipelines, minimizing electrical consumption is crucial. Our latest 2-inch industrial valves utilize latching solenoid technology that only draws current during state changes (open/close), coupled with robust ATEX/IECEx certified explosion-proof enclosures for hazardous Zone 1 and Zone 2 operations.
Ensuring safety compliance across municipal infrastructure, processing plants, and critical logistics nodes.
In large-scale metropolitan natural gas networks, pressure fluctuations present high risks. Our 2-inch solenoid valves interface with pressure monitoring devices (such as the GT-AT0637) to automatically shut down localized gas flow during overpressure incidents, shielding domestic sub-networks.
Refineries handle highly volatile media in extreme environments. Xinhaosi industrial gas solenoid valves, coupled with our GTYQ series explosion-proof combustible gas detectors, establish an active shield, closing fuel feed lines within 1 second of gas leak detection.
For large industrial furnaces, commercial kitchens, and district heating plants, automated shutdown is key. Our DN50 (2-inch) normally closed valves prevent gas accumulation during power outages, venting gas build-ups and protecting property.
A professional framework for EPC buyers, engineering managers, and distributor networks when sourcing 2-inch safety valves.
When procuring critical fluid controls, quality-focused buyers must balance cost efficiency with safety validation. Sourcing directly from certified Chinese factories like Xinhaosi provides distinct structural advantages:
Ensuring reliable logistics and high-volume delivery across global ports.
More than two decades of dedicated engineering excellence in gas safety and automation systems.
● Established in April 17th, 2003.
● Launched the 1st generation of gas leak alarm & fire fighting products.
● Started gas safety valve production line.
● Expanded high-volume OEM business.
● Relocated to the customized office building in Longtan Industrial Park.
● Achieved milestone of 10 million pieces of gas detector sales.
● Moved into dedicated Chengdu factory building.
● Completed sales & service network across China.
● Launched high-performance fire power monitoring system products.
● Launched our self-developed IoT gas monitoring platform.
● Developed fire automatic alarm, emergency lighting, and evacuation systems.
● Obtained China National High-Tech Enterprise Certificate.
● Qualified as an official supplier of China’s top 5 gas groups.
● Started construction of the smart Deyang factory.
● Established the Petrochemical & International Business Division.
● Awarded the title of Sichuan Provincial Technology Center.
● Deyang factory construction completed and full operations started.
● Launched urban gas pipeline network monitoring products.
● Launched wireless gas detection products.
● Pioneered intelligent AI safety valve products.
Addressing the most common engineering, safety, and logistical queries from international procurement managers.
Expand your safety system with wireless pressure sensors, triple infrared flame detection, and high-safety portable instrumentation.
