Quick answer: the top-ranked breather valve brands in China on this list are BasCo (Jiangsu), HT (Beijing) and DWMC (Jiangsu). 8 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked breather valve brands
How this list is ranked- 01
BasCo
八方安全BasCo
- Breather valves
- Flame arresters
- Rupture discs
Registered legal entity on file; email and phone published; operating since 2002.
View profile → - 02
HT
航天石化HT
- Breather valves
- Flame arresters
- Safety valve
Registered legal entity on file; email and phone published; operating since 1991.
View profile → - 03
DWMC
东吴机械DWMC
- Breather valves
- Safety valve
Registered legal entity on file; email and phone published; operating since 1954.
View profile →
- 04
FURSON 复森特阀FURSON
Registered as 江苏复森特种阀门有限公司 in 2012.
- Breather valves
- Flame arresters
Why it ranks here: registered legal entity on file; email and phone published; operating since 2012.
- 05
Luo Fu Fa Men 罗浮阀门
Registered as 罗浮阀门集团有限公司 in 2005.
- Breather valves
Why it ranks here: registered legal entity on file; email and phone published; operating since 1984.
- 06
Protego Protego普瑞泰格
Registered as 南京普瑞泰格安全设备工程有限公司 in 2018.
- Breather valves
- Flame arresters
Why it ranks here: registered legal entity on file; email and phone published; operating since 1954.
- 07
Wan An Huan Bao 万安环保
Registered as 湖北万安环保石化设备有限公司 in 2004.
- Breather valves
- Flame arresters
Why it ranks here: registered legal entity on file; email and phone published; operating since 2004.
- 08
BAOYI 保一BAOYI
Registered as 保一集团有限公司 in 1997.
- Breather valves
Why it ranks here: registered legal entity on file; email published; operating since 1983.
International breather valve brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
EMERSON EMERSON艾默生
Registered as 艾默生电气(中国)投资有限公司 in 1993.
- Breather valves
- Ultrasonic flow meters
- Electromagnetic flow meters
- Vortex flow meters
- Actuators
- Mass flow meters
Why it ranks here: registered legal entity on file; phone published; operating since 2014.
- INT
FINEKAY FINEKAY
Registered as 精凯(天津)阀门制造有限公司 in 1997.
- Breather valves
- Flame arresters
Why it ranks here: registered legal entity on file; email and phone published; operating since 1990.
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | BasCo八方安全BasCo | Jiangsu | 2002 | 江苏八方安全设备有限公司 |
| 02 | HT航天石化HT | Beijing | 1991 | 北京航天石化技术装备工程有限公司 |
| 03 | DWMC东吴机械DWMC | Jiangsu | 1954 | 吴江市东吴机械有限责任公司 |
| 04 | FURSON复森特阀FURSON | Jiangsu | 2012 | 江苏复森特种阀门有限公司 |
| 05 | Luo Fu Fa Men罗浮阀门 | Zhejiang | 1984 | 罗浮阀门集团有限公司 |
| 06 | ProtegoProtego普瑞泰格 | Jiangsu | 1954 | 南京普瑞泰格安全设备工程有限公司 |
| 07 | Wan An Huan Bao万安环保 | Hubei | 2004 | 湖北万安环保石化设备有限公司 |
| 08 | BAOYI保一BAOYI | Zhejiang | 1983 | 保一集团有限公司 |
Frequently asked questions
How many breather valves manufacturers and suppliers in China are listed here?
10 companies are listed for breather valves (呼吸阀). 8 Chinese manufacturers have full profiles and are ranked; 2 international brands with China operations are listed separately.
Where are China's breather valves manufacturers located?
Among profiled companies: Jiangsu (4), Zhejiang (2), Beijing (1), Hubei (1), Shanghai (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 9 publish an email address.