Quick answer: the top-ranked relay manufacturers in China on this list are CHINT (Zhejiang), Hongfa (Fujian) and DELIXI Electric. 3 Chinese manufacturers are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked relay manufacturers
How this list is ranked- 01
CHINT
正泰
- Relays
- Low-voltage circuit breakers
- Distribution boards
Registered legal entity on file; email and phone published; operating since 1984.
View profile → - 02
Hongfa
宏发股份HF
- Relays
- Contactors
- MV/LV electrical devices
Registered legal entity on file; email and phone published; operating since 1984.
View profile → - 03
DELIXI Electric
德力西电气
- Relays
- Low-voltage circuit breakers
- Distribution boards
Registered legal entity on file; phone published; operating since 2007.
View profile →
International relay brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
IDEC IDEC和泉 Full profile
Relays / Control switches / Indicator lights.
- Relays
- Control switches
- Indicator lights
- Timers and counters
- Programmable controllers
- Photoelectric switches
Why it ranks here: registered legal entity on file; email and phone published; operating since 1945.
- INT
Song Chuan 松川SONGCHUAN Full profile
Automotive relays / PCB relays / Industrial relays.
- Automotive relays
- PCB relays
- Industrial relays
- General-purpose relays
- Safety relays
- Relays
Why it ranks here: registered legal entity on file; email and phone published; operating since 1974.
- INT
Siemens 西门子 Full profile
Industrial technology, intelligent infrastructure and automation.
- Relays
- Switchgear
- Vacuum circuit breakers
- Industrial automation
- Building technologies
- Electrical infrastructure
Why it ranks here: registered legal entity on file; email and phone published; operating since 1847.
- INT
Omron Automation OMRON欧姆龙自动化 Full profile
Relays / Industrial sensors / Controllers.
- Relays
- Industrial sensors
- Controllers
- Drives
- Industrial robots
- Safety equipment
Why it ranks here: registered legal entity on file; phone published; operating since 1933.
- 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
Schneider Electric 施耐德电气 Full profile
Energy management, electrification and industrial automation.
- Relays
- Switchgear
- Circuit breakers
- Distribution boards
- Industrial automation
- Energy management systems
Why it ranks here: registered legal entity on file; phone published; operating since 1836.
- INT
Panasonic Industry 松下电器机电 Full profile
Relays / Electronic components / Electronic materials.
- Relays
- Electronic components
- Electronic materials
- Batteries
- Industrial automation equipment
Why it ranks here: registered legal entity on file; phone published.
What is a relay?
A relay is an electrically operated switch that lets a small control signal switch a larger circuit. Chinese makers produce signal, power, automotive, solid-state and safety relays, and protection relays for power systems are a separate, more specialised product.
What buyers compare
- Coil voltage and contact rating
- Contact configuration
- Electromechanical or solid-state
- Mounting: PCB, socket or DIN rail
- Approvals (UL, VDE, automotive)
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | CHINT正泰 | Zhejiang | 1984 | CHINT Group Co., Ltd. |
| 02 | Hongfa宏发股份HF | Fujian | 1984 | Xiamen Hongfa Electroacoustic Co., Ltd. |
| 03 | DELIXI Electric德力西电气 | — | 2007 | DELIXI Electric Co., Ltd. |
Frequently asked questions
How many relays manufacturers and suppliers in China are listed here?
10 companies are listed for relays (继电器). 3 Chinese manufacturers have full profiles and are ranked; 7 international brands with China operations are listed separately.
Where are China's relays manufacturers located?
Among profiled companies: Shanghai (4), Beijing (2), Zhejiang (1), Fujian (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 5 publish an email address.