Quick answer: the top-ranked water flow switch brands in China on this list are OMEGA (Shanghai) and ACOL (Shanghai). 2 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked water flow switch brands
How this list is ranked- 01
OMEGA OMEGA
Registered as 上海思百吉仪器系统有限公司 in 2005.
- Water flow switches
- Ultrasonic flow meters
- Mass flow meters
- Conductivity meters
- Vacuum pressure gauges
- Variable area flow meters
Why it ranks here: registered legal entity on file; email and phone published; operating since 1962.
- 02
ACOL ACOL
Registered as 上海安巢在线控制技术股份有限公司 in 2002.
- Water flow switches
- Pressure tanks
Why it ranks here: registered legal entity on file; email and phone published; operating since 2002.
International water flow switch brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
KOBOLD KOBOLD科宝
Registered as 科宝仪器仪表贸易(上海)有限公司 in 1998.
- Water flow switches
- Variable area flow meters
- Differential pressure gauges
Why it ranks here: registered legal entity on file; email and phone published.
- INT
KROHNE KROHNE科隆
Registered as 科隆测量仪器(上海)有限公司 in 1999.
- Water flow switches
- Liquid level gauges
- Ultrasonic flow meters
- Electromagnetic flow meters
- Vortex flow meters
- PH meters
Why it ranks here: registered legal entity on file; email and phone published; operating since 1921.
- INT
WIKA WIKA威卡
Registered as 威卡自动化仪表(苏州)有限公司 in 1997.
- Water flow switches
- Vacuum pressure gauges
- Needle valves
- Differential pressure gauges
- Pressure gauges
Why it ranks here: registered legal entity on file; email and phone published; operating since 1946.
- INT
SMC SMC
Registered as SMC(中国)有限公司 in 1994.
- Water flow switches
- PU pipes
- Pneumatic components
- A throttle
- Compression fittings
- Vacuum pressure gauges
Why it ranks here: registered legal entity on file; phone published; operating since 1959.
- INT
Gems Gems捷迈
Registered as 申泰柯精密技术(天津)有限公司 in 2004.
- Water flow switches
Why it ranks here: registered legal entity on file; email and phone published; operating since 1936.
- INT
ifm ifm易福门
Registered as 易福门电子(上海)有限公司 in 2005.
- Water flow switches
Why it ranks here: registered legal entity on file; email and phone published; operating since 1969.
More Water flow switches brands and companies
| Brand | Registered company | Website | Email / phone |
|---|---|---|---|
| TE Connectivity泰科电子TE Connectivity | 泰科电子(上海)有限公司 | te.com.cn | 400-820-6015 |
| FCIFCI | 埃孚希艾测控技术(北京)有限公司 | — | — |
Frequently asked questions
How many water flow switches manufacturers and suppliers in China are listed here?
10 companies are listed for water flow switches (水流开关). 2 Chinese manufacturers have full profiles and are ranked; 6 international brands with China operations are listed separately.
Where are China's water flow switches manufacturers located?
Among profiled companies: Shanghai (5), Jiangsu (1), Beijing (1), Tianjin (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 7 publish an email address.