Quick answer: the top-ranked y-strainer brands in China on this list are BNSV (Tianjin), Chun Jiang (Zhejiang) and KARON (Shanghai). 5 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked y-strainer brands
How this list is ranked- 01
BNSV
博纳斯威BNSV
- Y-strainers
- Air release valves
- Sludge discharge valves
Registered legal entity on file; email and phone published; operating since 1999.
View profile → - 02
Chun Jiang
春江
- Y-strainers
- Air release valves
- Sludge discharge valves
Registered legal entity on file; email and phone published; operating since 1972.
View profile → - 03
KARON
冠龙KARON
- Y-strainers
- Gate valve
- Air release valves
Registered legal entity on file; email and phone published; operating since 1991.
View profile →
- 04
YQ 永泉阀门YQ
Registered as 广东永泉阀门科技有限公司 in 1993.
- Y-strainers
- Air release valves
- Wet alarm valves
Why it ranks here: registered legal entity on file; email and phone published; operating since 1993.
- 05
MECH VALVE 迈克阀门MECH VALVE
Registered as 济南迈克阀门科技有限公司 in 2014.
- Y-strainers
- Air release valves
- Sludge discharge valves
Why it ranks here: registered legal entity on file; phone published; operating since 2014.
International y-strainer brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
KITZ KITZ开滋
Registered as 开滋流体控制(上海)有限公司 in 2003.
- Y-strainers
- Imported valves
- Motorized two-way valves
Why it ranks here: registered legal entity on file; phone published; operating since 1951.
- INT
Spiraxsarco Spiraxsarco斯派莎克
Registered as 斯派莎克工程(中国)有限公司 in 1995.
- Y-strainers
- Control valves
- Imported valves
- Desuperheating and pressure reducing units
Why it ranks here: registered legal entity on file; phone published; operating since 1888.
- INT
WATTS WATTS沃茨
Registered as 沃茨(上海)管理有限公司 in 2007.
- Y-strainers
- Imported valves
- Balancing valves
- Underfloor heating pipes
- Underfloor heating manifolds
- Pressure reducing valves
Why it ranks here: registered legal entity on file; phone published; operating since 1874.
More Y-strainers brands and companies
| Brand | Registered company | Website | Email / phone |
|---|---|---|---|
| YarwayYarway | 艾默生电气(中国)投资有限公司 | emerson.cn | 400-820-1996 |
| TLVTLV | 迪埃尔维(上海)能源科技有限公司 | — | — |
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 | YQ永泉阀门YQ | Guangdong | 1993 | 广东永泉阀门科技有限公司 |
| 05 | MECH VALVE迈克阀门MECH VALVE | Shandong | 2014 | 济南迈克阀门科技有限公司 |
Frequently asked questions
How many y-strainers manufacturers and suppliers in China are listed here?
10 companies are listed for y-strainers (Y型过滤器). 5 Chinese manufacturers have full profiles and are ranked; 3 international brands with China operations are listed separately.
Where are China's y-strainers manufacturers located?
Among profiled companies: Shanghai (4), Tianjin (1), Zhejiang (1), Guangdong (1), Shandong (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 4 publish an email address.