Founded in 1998 (Stock no.300007), Hanwei is the largest gas sensors and instruments manufacturer and the leading sensor-based IoT solution supplier in China. The company combines sensor technology, intelligent terminals, communication technology, geographic information, cloud computing, and big data to create IoT industry chains.
Products:
Domestic gas alarm products
Industrial gas detection systems
Alcohol testers and smart gas detectors
CO alarms and flame detectors
Water meters and gas meters
Environmental monitoring devices
Advantages:
Over 25 years of experience, comprehensive product range covering home and industrial safety, sensor core technology expertise, international certifications (SIL2, CE certified), dedicated R&D capabilities, 100+ countries export reach, 2026 SIL recognition award.
Address: Zhengzhou, Henan, China
Website: https://www.hwsensor.com/
2. Nanjing AIYI Technologies
National high-tech enterprise specializing in R&D, production, and sales of optical-mechanical-electronic products. AIYI is dedicated to providing complete industrial and environmental safety solutions with a focus on quality and technical innovation.
Products:
Portable single and multi-gas detectors
Fixed gas detection systems
Gas analyzers (NDIR and paramagnetic oxygen)
Dust monitors and air quality monitoring systems
Flame detectors and environmental sensors
Advantages:
IECEX, ATEX, SIL2 certified, complete product ecosystem for industrial applications, 80+ countries market presence, specialized focus on petrochemical, pharmaceutical, chemical, automotive, and food industries, highly recognized product quality and professional technical service globally.
Address: Nanjing, Jiangsu, China
Website: https://www.aiyitec.com/
3. Shenzhen YuanTe Technology (Safegas)
Established in 2010, Shenzhen YuanTe Technology focuses on design, development, and production of high-quality gas detection equipment. The company operates with market orientation and innovation-driven management philosophy for continuous product improvement.
Products:
Multi-gas detectors (Sky series)
Single gas detectors (H2S, CO, O2, LEL)
VOC and CO2 gas detectors
Toxic and combustible gas detection systems
Portable and fixed detection solutions
Advantages:
IECEX, ATEX, and China Ex triple-certified (unique dual certification), 14+ years continuous product innovation (YT-95H, YT-1200H, SKY series), 3-5 days quick delivery capability, 24/7 after-sales support, 90-100% export capability, 100-120 dedicated employees, annual production capacity 80,000+ units.
Address: Shenzhen, Guangdong, China
Website: https://www.multi-gasdetector.com/
4. Beijing SureSafe Technology
Professional service provider specializing in production safety and environmental safety solutions. Founded with a team of technical engineers from German universities and experienced sales professionals, adhering to the principle of "excellent quality and service first."
Products:
Advanced gas detection equipment and systems
Production and environmental safety monitoring solutions
AI-enhanced smart detection systems
Mobile source control and emission solutions
Integrated safety and environmental monitoring platforms
Advantages:
German-trained technical team with 90+ years technology heritage, 300+ industry users across 20+ provinces and cities, combines emerging AI and 5G technologies with environmental and safety solutions, customer-demand-centered approach, strong reputation in industrial safety sector, integration of environmental protection with energy-saving technology.
Address: Beijing Economic and Technological Development Zone, China
Website: https://www.bjsuresafe.com/
5. Beijing Topsky Intelligent Equipment
Industrial Safety Manufacturer - Founded in 2003, Topsky is determined to become a continuous global leader in comprehensive safety equipment innovation. With registered capital of 42 million yuan, the company possesses independent research, development, and technology promotion capabilities.
Products:
Portable gas detectors and multi-gas detection systems
Coal mine safety equipment and rescue devices
Fire-fighting and emergency rescue equipment
EOD robots and explosion-proof fire extinguishing robots
Police, military, and emergency response equipment
Advantages:
20+ years industrial safety equipment experience, 200+ patent certificates, 130+ coal mine safety certifications (MA), 46 Ministry of Public Security testing certifications, facilities covering 4500+ square meters with R&D and pilot production buildings, 50+ countries export reach, advanced technology capabilities in multi-domain safety solutions, comprehensive integrated safety systems.
Address: Beijing Zhongguancun High-Tech Park, China
Website: https://www.topskyeqpt.com/
6. Beijing Zetron Technology
With 20 years of combined experience, Zetron develops, manufactures, and markets a complete range of gas detection products and environmental monitoring solutions with focus on industrial safety and precision measurement.
Products:
Portable and fixed gas detection systems
Gas analyzers (NDIR, flue gas, biogas, syngas, ozone)
Air quality monitoring systems and particle counters
Natural gas and pharmaceutical monitoring equipment
Environmental and landfill gas analysis systems
Advantages:
ISO9001:2005 and SGS certified, 100+ patents with continuous quality certifications, 10,000+ unit production capacity, 80+ global business partners, 10+ export countries, 30,000+ annual export volume, first-tier export precision manufacturing with 30+ process tests, 20 years technical expertise in gas detection and environmental solutions.
Address: Beijing, China
Website: https://www.zetroncn.com/
7. Action Electronics
Established in 1998, Action Electronics is ranked TOP 3 in the gas alarm industry and holds NO.1 sales position in Southwest China. The company operates the first fully automated production line for civilian gas detectors in China and serves as first qualified supplier for major petrochemical companies.
Products:
Portable series gas detectors with worker safety focus
Industrial gas detection and warning systems
Multi-gas detection solutions for specialized applications
Petrochemical industry safety equipment
Gas station and retail safety solutions
Advantages:
25+ years manufacturing experience, TOP 3 industry position with strongest sales in Southwest China, first fully automated civilian gas detector production line, established relationships with PetroChina and Sinopec as first qualified suppliers, 700+ employees, 3000+ square meter manufacturing facilities, 20+ million cumulative units produced, 100.8 million USD annual sales revenue (2023).
Address: Chengdu, Sichuan, China
Website: https://www.actiongasdetector.com/
8. Xi'an Huafan Technology
Professional gas detector manufacturer since 2003, specializing in portable single and multi-gas detection solutions with focus on industrial worker safety applications and smart IoT integration.
Products:
Portable single gas detectors (H2S, CO, O2, LEL, CO2)
Multi-gas detectors for LPG, CH4, NH3, CL2 detection
Smart IoT-enabled detection systems with cloud connectivity
Industrial safety and smart home integration solutions
Specialized gas detection equipment for hazardous environments
Advantages:
20+ years manufacturing experience with proven expertise in specialized gas detection, smart IoT platform integration (Huafan Cloud), professional focus on worker safety, CE and ATEX certifications, innovative dual-track products spanning industrial detection and smart home applications, continuous R&D in intelligent detection technology.
Address: Xi'an, Shaanxi, China
Website: https://www.huafansmart.com/
9. Shandong Yaoan Electronic Technology
Specializing in portable single and multi-gas detector development with 18 years of professional R&D and production experience. The company offers customizable gas detection solutions for diverse industrial applications and market requirements.
Products:
Portable single and multi-gas detectors
Industrial combustible gas detectors (RS48 series)
Air quality monitoring systems
Customizable gas detection solutions with flexible sensors
Industrial safety equipment and detection systems
Advantages:
18-year specialized R&D and manufacturing experience, 120+ professional certifications (SIL certified), 3000+ square meter production facility, customizable sensor options for specific applications, industrial application focus with competitive pricing, continuous innovation capability, three core brands (Yaoan, Yaorui, Huantai), OEM/ODM service capacity.
Address: Shenzhen and Jinan, Shandong, China
Website: https://www.yaoandetectors.com/
10. Beijing HiYi Technology
Professional company committed to advancing gas detection industry development with 15+ years specialization in research, development, manufacture, and sales of high-quality gas detection equipment. The company combines strong technical force with economic strength for continuous innovation.
Products:
Single gas detectors (portable and fixed)
Multi-gas detection systems
Laser methane detectors and specialized analyzers
Laboratory equipment and facility monitoring systems
Air and liquid contamination monitoring solutions
Advantages:
15+ years specialized gas detection experience, CE, TUV, ATEX, and RoHS certifications, comprehensive technical and economic strength, international-level technological advancement in new product development, one-stop gas detection solution service capability, global exhibition participation and market presence, IoT and cloud computing integration for smart detection systems.