Quick answer: the top-ranked sludge discharge valve brands in China on this list are BNSV (Tianjin), Chun Jiang (Zhejiang) and KARON (Shanghai). 9 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked sludge discharge valve brands
How this list is ranked- 01
BNSV
博纳斯威BNSV
- Sludge discharge valves
- Y-strainers
- Air release valves
Registered legal entity on file; email and phone published; operating since 1999.
View profile → - 02
Chun Jiang
春江
- Sludge discharge valves
- Y-strainers
- Air release valves
Registered legal entity on file; email and phone published; operating since 1972.
View profile → - 03
KARON
冠龙KARON
- Sludge discharge valves
- Gate valve
- Y-strainers
Registered legal entity on file; email and phone published; operating since 1991.
View profile →
- 04
Yao Zi Fa Men 尧字阀门
Registered as 远大阀门集团有限公司 in 2002.
- Sludge discharge valves
- Valve
- Gate valve
- Balancing valves
- Check valves
- Ball valve
Why it ranks here: registered legal entity on file; email and phone published; operating since 1994.
- 05
Zhong He Su Fa 中核苏阀
Registered as 中核苏阀科技实业股份有限公司 in 1997.
- Sludge discharge valves
- Valve
- Gate valve
- Check valves
- Ball valve
- Globe valves
Why it ranks here: registered legal entity on file; email and phone published; operating since 1952.
- 06
MECH VALVE 迈克阀门MECH VALVE
Registered as 济南迈克阀门科技有限公司 in 2014.
- Sludge discharge valves
- Y-strainers
- Air release valves
Why it ranks here: registered legal entity on file; phone published; operating since 2014.
- 07
Da Yu Fa Men 大禹阀门
Registered as 武汉大禹阀门股份有限公司 in 1998.
- Sludge discharge valves
- Air release valves
Why it ranks here: registered legal entity on file; email and phone published; operating since 1998.
- 08
Tong Dou Liu Ti 铜都流体
Registered as 安徽铜都流体科技股份有限公司 in 1993.
- Sludge discharge valves
- Air release valves
Why it ranks here: registered legal entity on file; email and phone published; operating since 1993.
- 09
Zhu Hua 珠华
Registered as 株洲南方阀门股份有限公司 in 1996.
- Sludge discharge valves
- Air release valves
Why it ranks here: registered legal entity on file; email and phone published; operating since 1992.
More Sludge discharge valves brands and companies
| Brand | Registered company | Website |
|---|---|---|
| EG一机阀门EG | 宁波一机阀门制造有限公司 | — |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | BNSV博纳斯威BNSV | Tianjin | 1999 | 博纳斯威阀门股份有限公司 |
| 02 | Chun Jiang春江 | Zhejiang | 1972 | 杭州春江阀门有限公司 |
| 03 | KARON冠龙KARON | Shanghai | 1991 | 上海冠龙阀门节能设备股份有限公司 |
| 04 | Yao Zi Fa Men尧字阀门 | Hebei | 1994 | 远大阀门集团有限公司 |
| 05 | Zhong He Su Fa中核苏阀 | Jiangsu | 1952 | 中核苏阀科技实业股份有限公司 |
| 06 | MECH VALVE迈克阀门MECH VALVE | Shandong | 2014 | 济南迈克阀门科技有限公司 |
| 07 | Da Yu Fa Men大禹阀门 | Hubei | 1998 | 武汉大禹阀门股份有限公司 |
| 08 | Tong Dou Liu Ti铜都流体 | Anhui | 1993 | 安徽铜都流体科技股份有限公司 |
| 09 | Zhu Hua珠华 | Hunan | 1992 | 株洲南方阀门股份有限公司 |
Frequently asked questions
How many sludge discharge valves manufacturers and suppliers in China are listed here?
10 companies are listed for sludge discharge valves (排泥阀). 9 Chinese manufacturers have full profiles and are ranked.
Where are China's sludge discharge valves manufacturers located?
Among profiled companies: Tianjin (1), Zhejiang (1), Shanghai (1), Hebei (1), 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, 9 have an official website and 8 publish an email address.