Quick answer: the top-ranked power line filter manufacturers in China on this list are SCHURTER (Guangdong) and AERODEV (Shanghai). 2 Chinese manufacturers are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked power line filter manufacturers
How this list is ranked- 01
SCHURTER SCHURTER
Registered as 深圳硕特电子有限公司 in 2003.
- Power line filters
- Fuses
- Fuse links
Why it ranks here: registered legal entity on file; email published.
- 02
AERODEV AERODEV
Registered as 上海埃德电子股份有限公司 in 1993.
- Power line filters
Why it ranks here: registered legal entity on file; email and phone published; operating since 1993.
International power line filter brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
Delta 台达DELTA Full profile
Variable-frequency drives / Industrial automation / Power management products.
- Variable-frequency drives
- Industrial automation
- Power management products
- Thermal management systems
- Energy infrastructure solutions
Why it ranks here: registered legal entity on file; phone published; operating since 1971.
- INT
TE Connectivity 泰科电子TE Connectivity Full profile
Relays / Connectors / Sensors.
- Relays
- Connectors
- Sensors
- Electrical interconnection products
Why it ranks here: registered legal entity on file; phone published; operating since 1941.
- INT
Phoenix Contact 菲尼克斯电气 Full profile
Surge protective devices / Terminal blocks / Electrical connectors.
- Surge protective devices
- Terminal blocks
- Electrical connectors
- Electronic interfaces
- Industrial automation systems
Why it ranks here: registered legal entity on file; email and phone published; operating since 1923.
- INT
TDK TDK
Registered as 东电化(中国)投资有限公司 in 2004.
- Power line filters
- Temperature sensors
- Electronic components
- Buzzers
- Sensors
- Hall-effect sensors
Why it ranks here: registered legal entity on file; phone published; operating since 1935.
- INT
BLOCK BLOCK
Registered as 博洛科电气(昆山)有限公司 in 2018.
- Power line filters
Why it ranks here: registered legal entity on file; email published.
More Power line filters manufacturers and brands
| Brand | Registered company | Website | Email / phone |
|---|---|---|---|
| Jian Li Ke Ji坚力科技 | 江苏坚力电子科技股份有限公司 | jsczjianli.com | 0519-86973215 |
| Astrodyne TDIAstrodyne TDI | 天成达(昆山)电子有限公司 | astrodynetdi.com.cn | — |
| schaffnerschaffner夏弗纳 | 夏弗纳电磁兼容(上海)有限公司 | schaffner.com.cn | — |
Frequently asked questions
How many power line filters manufacturers and suppliers in China are listed here?
10 companies are listed for power line filters (电源滤波器). 2 Chinese manufacturers have full profiles and are ranked; 5 international brands with China operations are listed separately.
Where are China's power line filters manufacturers located?
Among profiled companies: Shanghai (4), Guangdong (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, 10 have an official website and 4 publish an email address.