Quick answer: the top-ranked gas detector brands in China on this list are Chi Cheng Dian Qi (Henan), Hanwei (Henan) and Crowcon (Beijing). 4 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked gas detector brands
How this list is ranked- 01
Chi Cheng Dian Qi
驰诚电气
- Gas detectors
- Combustible gas detectors
- Gas leak alarms
Registered legal entity on file; email and phone published; operating since 2004.
View profile → - 02
Hanwei
汉威Hanwei
- Gas detectors
- Combustible gas detectors
- Domestic sensors
Registered legal entity on file; phone published; operating since 1998.
View profile → - 03
Crowcon
Crowcon科尔康
- Gas detectors
- Ozone detectors
Registered legal entity on file; email and phone published; operating since 1970.
View profile →
- 04
Bao Shi An Ke Ji 保时安科技
Registered as 河南省保时安科技股份有限公司 in 2013.
- Gas detectors
Why it ranks here: registered legal entity on file; email published; operating since 2013.
International gas detector brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
Honeywell Honeywell霍尼韦尔
Registered as 霍尼韦尔(中国)有限公司 in 1996.
- Gas detectors
- Combustible gas detectors
- Liquid level gauges
- Industrial burners
- Handheld PDA terminals
- Ultrasonic flow meters
Why it ranks here: registered legal entity on file; email and phone published.
- INT
MSA MSA梅思安
Registered as 梅思安(中国)安全设备有限公司 in 2007.
- Gas detectors
- Fall arrest devices
- Heat protective clothing
- Personal protective equipment
- Dust protection face masks
- Gas mask filter cartridges
Why it ranks here: registered legal entity on file; email and phone published; operating since 1914.
- INT
RIKEN KEIKI RIKEN KEIKI理研
Registered as 理研计器商贸(上海)有限公司 in 2009.
- Gas detectors
- Air quality monitors
- Formaldehyde detectors
Why it ranks here: registered legal entity on file; email and phone published; operating since 1939.
- INT
Dr ger Dräger德尔格
Registered as 德尔格安全设备(中国)有限公司 in 1996.
- Gas detectors
- Personal protective equipment
- Dust protection face masks
- Gas mask filter cartridges
- Protective clothing
- Protective face shields
Why it ranks here: registered legal entity on file; phone published; operating since 1889.
- INT
COSMOS COSMOS
Registered as 新考思莫施电子(上海)有限公司 in 2007.
- Gas detectors
Why it ranks here: registered legal entity on file; email and phone published; operating since 1960.
- INT
INDUSTRIAL SCIENTIFIC INDUSTRIAL SCIENTIFIC英思科
Registered as 英思科传感仪器(上海)有限公司 in 2000.
- Gas detectors
Why it ranks here: registered legal entity on file; email and phone published; operating since 1985.
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | Chi Cheng Dian Qi驰诚电气 | Henan | 2004 | 河南驰诚电气股份有限公司 |
| 02 | Hanwei汉威Hanwei | Henan | 1998 | 汉威科技集团股份有限公司 |
| 03 | CrowconCrowcon科尔康 | Beijing | 1970 | 北京科尔康安全设备制造有限公司 |
| 04 | Bao Shi An Ke Ji保时安科技 | Henan | 2013 | 河南省保时安科技股份有限公司 |
Frequently asked questions
How many gas detectors manufacturers and suppliers in China are listed here?
10 companies are listed for gas detectors (气体检测仪). 4 Chinese manufacturers have full profiles and are ranked; 6 international brands with China operations are listed separately.
Where are China's gas detectors manufacturers located?
Among profiled companies: Shanghai (4), Henan (3), Beijing (2), Jiangsu (1).
How is this list ranked?
By the completeness and verifiability of each company's data: a registered legal entity, an official website, published contact details, a product range and company history. The rank is not a quality rating, and no company pays for its position. See How we rank for the full method.
How do I contact these manufacturers?
Each listing shows the company's official website and, where published, its email and phone number. Of the 10 companies listed, 10 have an official website and 8 publish an email address.